Independently tested ranking
Best Cold Email Software for Startups in 2026
The best cold email software for startups, compared on free plans, built-in lead data, deliverability, multichannel steps and how price scales as you add inboxes and people.
- Tools compared
- 10
- With a free plan
- 3 of 10
- Median entry price
- $34/mo
- Average rating
- 4.6
On this page
Which cold email software is best for startups?
The best cold email software for startups in 2026 is Apollo.io for finding leads and sending from one free tool, Instantly for scaling across many inboxes at a flat price, lemlist for personalized founder-led outreach, Smartlead for high volume on a budget and Snov.io for a free find-verify-send toolkit. Apollo, Snov.io and Hunter have free plans, and flat-priced senders like Smartlead start at $32 a month on annual billing.
Our top picks
Best overall
Apollo.io
Combines a 240M-contact database with sequences, and its free plan lets a founder find prospects and send from one tool at no cost.
Paid plans from $49/user/mo annual
See why we picked itBest for scaling outbound
Instantly
Connects unlimited inboxes with warm-up on every plan, and per-workspace pricing keeps cost flat as you add inboxes and people.
Paid plans from $37.60/mo annual
See why we picked itBest for founder-led sales
lemlist
Personalized images, video and custom variables, plus LinkedIn and call steps, make small targeted campaigns feel one-to-one.
Paid plans from $55/user/mo annual
See why we picked itKey takeaways
- Start free. Apollo.io, Snov.io and Hunter all have free plans, enough to test one outbound message before you pay.
- Per-workspace pricing beats per-user pricing for scale. Instantly, Smartlead and Saleshandy charge the same however many inboxes you connect.
- Never send cold email from your main company domain. Use secondary domains and warm them up first. Every tool here includes warm-up, though Apollo.io only on paid plans.
- Lead data is the hidden cost. Credits for emails and phone numbers usually sit on top of the sending plan and rarely roll over.
- Founder-led sales needs relevance, not volume. lemlist and Hunter suit small, targeted lists; Instantly and Smartlead suit volume once a message works.
What is cold email software?
Cold email software for startups is a tool that lets a small team send personalized, automated email sequences to prospects who have not heard from them before, while protecting the deliverability of the startup's domains. Most tools combine a sequence builder, inbox warm-up, sender rotation and a shared reply inbox, and many add a B2B lead database.
For a startup, the software has to do more with less. It should help the founder find the right contacts, verify emails before sending, warm up new secondary domains, and keep cost flat as inboxes are added. It should be simple enough to run alongside product work, and it should grow into LinkedIn steps, calling or CRM sync once the first sales hire arrives.
Best cold email software compared
| # | Tool | Best for | Free plan | Paid plans from | Our rating |
|---|---|---|---|---|---|
| 1 | Apollo.io |
Prospecting and sending in one | Yes (900 credits/yr) | $49/user/mo annual | ★4.5 |
| 2 | Instantly |
Flat-priced scale sending | No (free trial) | $37.60/mo annual | ★4.8 |
| 3 | lemlist |
Personalized multichannel outreach | No (14-day trial) | $55/user/mo annual | ★4.5 |
| 4 |  Smartlead |
High volume on a budget | No (free trial) | $32/mo annual | ★4.7 |
| 5 | Saleshandy | Cheap sending with lead credits | No (7-day trial) | $34/mo annual | Not yet reviewed |
| 6 |  Snov.io |
Free finding, verifying and sending | Yes (50 credits/mo) | $29.25/mo annual | ★4.6 |
| 7 |  Hunter |
Email finding plus light sequences | Yes (50 credits/mo) | $34/mo annual | ★4.4 |
| 8 |  Woodpecker |
Deliverability protection | No (14-day trial) | $29/mo | ★4.5 |
| 9 |  Reply.io |
Multichannel and AI SDR | No (14-day trial) | $49/user/mo annual | ★4.5 |
| 10 |  Mailshake |
Simplest to learn | No | $25/user/mo annual | ★4.5 |
Our rating comes from MakeSuccessOnline's hands-on reviews. Prices are the cheapest paid plan, billed monthly unless marked annual, checked November 2026. Lead credits, extra seats and add-ons cost more on several tools.
The 10 best cold email software in 2026
Most startups need two things from cold email software: a way to find the right people and a safe way to email them. The tools below are ranked for founders and early sales teams, from free all-in-one options to flat-priced senders built for scale.
#1Best for founders who want leads and sending in one free tool
Apollo.io
A B2B contact database with sequences, a dialer and enrichment, and a free plan that lets a founder start outbound at no cost.
- Paid plans from
- $49/user/mo annual
- Free plan
- Yes (900 credits/yr)
- Best for
- Founders, first sales hires and small SDR teams doing outbound prospecting
- Works on
- Web, Chrome extension (Prospecting, Gmail and Salesforce extensions), API, MCP
Apollo.io is the best starting point for most startups because it solves the first outbound problem: who to email. You search a database of 240M contacts and 30M companies by title, seniority, company size, industry and technology, then drop the people who fit your ideal customer profile straight into a sequence. One tool replaces a separate lead database, email finder and sender.
The free plan is unusually generous for a pre-revenue team: 900 credits a year, 2 sequences and one Gmail mailbox at up to 250 emails a day. When outbound starts working, Basic adds unlimited sequences, email warm-up, CRM sync and a US dialer. Watch the credits, because phone numbers cost 8 credits each and unused credits do not roll over.
Key features
- Apollo DataFilter 240M contacts and 30M companies by title, seniority, company size, industry, technology and intent. A founder can build a tight list of decision makers in an afternoon instead of buying a separate database.
- SequencesMulti-step outreach with automatic emails, calls and tasks. The free plan allows 2 sequences, enough to test one message on two segments.
- Chrome extensionShows emails and phone numbers on LinkedIn, Gmail and Salesforce and adds people to a sequence from the page, which suits founders who prospect while browsing LinkedIn.
- Deliverability suite and warm-upOn paid plans you can warm up mailboxes and buy domains and mailboxes inside Apollo, so you never send cold email from your main company domain.
- AI Assistant and AI ResearchAsk Apollo to research accounts, build lists and draft messaging. Useful when the founder is also the only salesperson and short on time.
Pricing
| Plan | Price | What you get |
|---|---|---|
| Free | $0 | 900 credits per seat a year, 2 sequences, 1 Gmail mailbox, 250 emails a day, basic filters, Gmail and Salesforce extensions |
| Basic | $49/seat/mo annual ($65 monthly) | Unlimited sequences, advanced filters, deliverability suite and warm-up, CRM integrations, waterfall enrichment, US dialer |
| Professional | $79/seat/mo annual ($99 monthly) | A/Z testing, AI lead scoring, call recordings with AI insights, unlimited daily sends, 50 workflows |
| Organization | $119/seat/mo annual (minimum 3 seats) | 12 intent topics, more call recording minutes, unlimited inbound routers, 500 workflows |
List prices as of November 2026; plans change often, so check the vendor's pricing page before you buy. 14-day free trial of Basic or Professional, including 75 credits.
Pros and cons
Pros
- Free plan includes data and sequences with no time limit
- Replaces a lead database, email finder and sender
- Good Chrome extension for LinkedIn and Gmail
- Syncs with Salesforce and HubSpot on paid plans
Cons
- Credits run down fast and do not roll over
- Free plan connects Gmail only and caps sends at 250 a day
- Every seat on an account must be on the same plan
Is it right for you?
Choose Apollo.io ifYou are a founder or first sales hire with no lead list yet and want to find prospects and email them from one tool, starting free.
Look elsewhere ifYou already have lead data and want to send high volume across many inboxes, where Instantly or Smartlead cost less per email.
#2Best for startups scaling cold email across many inboxes
Instantly
A cold email platform with unlimited sending inboxes, built-in warm-up and a shared reply inbox, priced per workspace rather than per user.
- Paid plans from
- $37.60/mo annual
- Free plan
- No (free trial)
- Best for
- Founders and small outbound teams sending cold email at volume
- Works on
- Web, API
Instantly is the best pick when a startup has found a message that books meetings and now needs to send more of it. Every plan lets you connect unlimited Google, Microsoft or SMTP inboxes with warm-up included, and pricing is per workspace. Adding ten inboxes or a second salesperson does not change the bill, which keeps cost predictable while you grow.
Growth costs $37.60 a month on annual billing ($47 monthly) and covers 5,000 emails and 1,000 uploaded contacts a month. That contact limit is tight once outbound is your main channel, so most growing startups move to Hypergrowth for 125,000 emails and the built-in CRM. Lead data is bought separately with credits, and there are no LinkedIn or calling steps.
Key features
- Unlimited email accountsConnect as many inboxes as you need on any plan. Spreading volume across several inboxes protects each sender's reputation, and you never pay per inbox.
- Warm-up networkNew and existing inboxes send and receive warm-up emails automatically, so freshly bought domains build a sending history before your first campaign.
- Inbox rotationCampaigns rotate sends across connected inboxes, keeping daily volume per inbox low as total volume grows.
- UniboxEvery reply from every inbox lands in one shared inbox, where a founder can label leads and respond without logging into ten accounts.
- Lead databaseSearch a B2B contact database inside Instantly and add verified leads straight to a campaign, paid for with separate lead credits.
Pricing
| Plan | Price | What you get |
|---|---|---|
| Growth | $37.60/mo annual ($47 monthly) | Unlimited email accounts and warm-up, 5,000 emails and 1,000 uploaded contacts a month |
| Hypergrowth | $85.58/mo annual ($107 monthly) | 125,000 emails and 25,000 contacts a month, plus the built-in CRM |
| Light Speed | $286.30/mo annual ($358 monthly) | 500,000 emails and 100,000 contacts a month |
| Lead credits (add-on) | From $37.60/mo annual | Credits to pull contacts from the lead database, sold separately |
List prices as of November 2026; plans change often, so check the vendor's pricing page before you buy. Free trial, no card required.
Pros and cons
Pros
- Unlimited inboxes on every plan
- Warm-up and inbox rotation included
- Unibox makes reply handling simple
- Price does not grow with team size
Cons
- Lead data and AI features cost extra
- Growth plan's 1,000 contacts a month is tight
- Email only, with no LinkedIn or calling steps
Is it right for you?
Choose Instantly ifCold email is already working for you and you want to add inboxes and volume without the bill growing per user.
Look elsewhere ifYou need LinkedIn or phone steps in your sequences, or you only send a few personal emails a day from Gmail.
#3Best for personalized, founder-led outreach
lemlist
A cold outreach platform for personalized email, LinkedIn and call sequences, with a lead database and lemwarm warm-up built in.
- Paid plans from
- $55/user/mo annual
- Free plan
- No (14-day trial)
- Best for
- Founders, early sales teams and SDRs running personalized outbound
- Works on
- Web, Chrome extension, API
lemlist suits founders who sell by writing emails that feel one-to-one. You can insert images and videos that show the prospect's name, logo or website, and use custom variables so one campaign reads differently for each segment. That matters when you are emailing a small list of high-value accounts and every reply counts.
The Email plan ($55 per user a month on annual billing) includes sequences, the lead database, an email and phone finder and lemwarm warm-up. The Multichannel plan adds LinkedIn steps, a built-in dialer and up to five senders per user, which covers most founder-led motions. It is not the cheapest way to send high volume, and lead finding uses credits on top.
Key features
- Image and video personalizationInsert images and videos that show the prospect's name, logo or website, which helps a founder's cold email stand out in a crowded inbox.
- Multichannel sequencesCombine email, LinkedIn visits, invites and messages, and call steps in one sequence, with conditions that change the path based on what the lead does.
- Lead databaseSearch a B2B database and add leads to campaigns directly. Finding emails and phone numbers uses credits.
- lemwarmWarms up your sending inboxes and monitors deliverability on every plan, so a new domain is ready before your first campaign.
- CRM syncTwo-way integrations with HubSpot, Salesforce and Pipedrive keep lead status and activity in step with the CRM your startup already uses.
Pricing
| Plan | Price | What you get |
|---|---|---|
| $55/user/mo annual ($69 monthly) | Email sequences, lead database access, email and phone finder, lemwarm warm-up | |
| Multichannel | $87/user/mo annual ($109 monthly) | Email plus LinkedIn automation, built-in dialer and up to five senders per user |
| Enterprise | Custom | More senders per user and custom terms |
List prices as of November 2026; plans change often, so check the vendor's pricing page before you buy. 14-day free trial.
Pros and cons
Pros
- Best personalization here, with images, video and custom variables
- Email, LinkedIn and calls in one sequence
- Lead database built in
- Warm-up included on every plan
Cons
- Per-user pricing adds up as the team grows
- LinkedIn and calling need the Multichannel plan
- Lead finding uses credits on top of the subscription
Is it right for you?
Choose lemlist ifYou run founder-led sales to a focused list of accounts and want email and LinkedIn touches that feel personal.
Look elsewhere ifYour plan is high-volume cold email on a tight budget, where flat-priced senders cost far less.
#4Best budget pick for high-volume outbound
Smartlead
A cold email platform with unlimited mailboxes, automatic warm-up and mailbox rotation, priced per account rather than per user.
- Paid plans from
- $32/mo annual
- Free plan
- No (free trial)
- Best for
- Startups and outbound teams sending cold email at scale
- Works on
- Web, API
Smartlead is one of the cheapest ways to run cold email across many inboxes. Base costs $32 a month on annual billing ($39 monthly), is priced per account rather than per user, and includes unlimited mailboxes and warm-up. For a startup buying several secondary domains to protect its main one, not paying per inbox keeps outbound costs low.
It was built largely for agencies, so it has more control than a founder may need at first: mailbox rotation, a master inbox with AI reply categories, and an API with webhooks. A technical founder can push leads in and route replies to other tools. Expect a steeper learning curve than Instantly, and plan to move to Pro once volume grows.
Key features
- Unlimited mailboxes and warm-upConnect as many sending accounts as you like and warm them up automatically, so you add capacity without paying per inbox.
- Mailbox rotationSpreads a campaign's sends across several mailboxes, keeping daily volume per inbox low to protect sender reputation.
- Master inboxReplies from every mailbox and campaign arrive in one inbox, with AI categories that flag interested leads first, so a busy founder sees the hot replies straight away.
- Campaign analyticsTrack sends, opens, replies and bounces per campaign and per mailbox, so you can spot a weak sender or weak copy early.
- API and webhooksPush leads in, pull results out and trigger actions in other tools, which suits technical founders who like to automate their outbound stack.
Pricing
| Plan | Price | What you get |
|---|---|---|
| Base | $32/mo annual ($39 monthly) | Unlimited mailboxes and warm-up, 2,000 contacts and 6,000 emails a month |
| Pro | $78/mo annual ($94 monthly) | 30,000 contacts and 90,000 emails a month, with client workspaces available |
| Unlimited Smart | $144/mo annual ($174 monthly) | 150,000 emails a month |
| Unlimited Prime | $315/mo annual ($379 monthly) | 500,000 emails a month and three client workspaces included |
List prices as of November 2026; plans change often, so check the vendor's pricing page before you buy. Free trial, no card required.
Pros and cons
Pros
- Low entry price with no per-user fees
- Unlimited mailboxes and warm-up on every plan
- Full API and webhooks
- Annual billing saves about 17%
Cons
- Steeper learning curve than Instantly
- Base plan is small for serious outbound
- No free plan
Is it right for you?
Choose Smartlead ifYou want to run cold email across many inboxes for the lowest monthly cost and don't mind a few extra hours of setup.
Look elsewhere ifYou want the simplest possible tool, or you need calling or LinkedIn steps in the same sequence.
#5Best low-cost tool with leads included
Saleshandy
A cold email tool with unlimited email accounts, sender rotation, warm-up and lead finder credits on every plan.
- Paid plans from
- $34/mo annual
- Free plan
- No (7-day trial)
- Best for
- Startups and small sales teams running cold email on a budget
- Works on
- Web, Chrome extension, API
Saleshandy is a strong pick for a startup that wants Instantly-style sending and a lead source without paying for two tools. Starter costs $34 a month on annual billing ($41 monthly), is priced per account, and includes unlimited email accounts, 6,000 emails and 1,500 lead finder credits a month. For a founder building lists from scratch, those included credits are the main draw.
It covers the basics well: sender rotation and warm-up, multi-step sequences with personalization fields, a unified inbox and an AI copilot that drafts a sequence from a short brief. It has fewer advanced campaign options than Smartlead, and the 2,000 active prospect cap on Starter means growing teams will likely need Pro.
Key features
- Lead finderSearch a B2B database and reveal verified emails using credits included in every plan, so you don't need a separate data tool to start.
- Unlimited email accountsConnect as many sending inboxes as you need on every plan, so adding capacity does not raise your bill.
- Sender rotation and warm-upSpreads each campaign across several inboxes and warms them up, keeping daily volume per inbox low and safe.
- AI sequence copilotDrafts a full sequence from a short brief about your offer and audience, which helps founders who have never written a cold sequence.
- Unified inboxRead and answer replies from all your inboxes in one place, with leads labeled by status.
Pricing
| Plan | Price | What you get |
|---|---|---|
| Starter | $34/mo annual ($41 monthly) | Unlimited email accounts, 2,000 active prospects, 6,000 emails and 1,500 lead finder credits a month |
| Pro | $76/mo annual ($99 monthly) | 30,000 active prospects, 100,000 emails and 4,000 lead finder credits a month |
| Scale | $149/mo annual ($189 monthly) | Unlimited prospects under fair use, 200,000 emails and 8,000 lead finder credits a month |
| Enterprise | Custom | Custom limits and terms |
List prices as of November 2026; plans change often, so check the vendor's pricing page before you buy. 7-day free trial, no card required.
Pros and cons
Pros
- Lead finder credits included in every plan
- Unlimited email accounts
- Low entry price
- Simple to set up
Cons
- Starter caps active prospects at 2,000
- Shorter trial than most tools here
- Fewer advanced campaign options than Smartlead
Is it right for you?
Choose Saleshandy ifYou want cheap, flat-priced sending and a built-in lead source in one subscription.
Look elsewhere ifYou need LinkedIn or phone steps, or want a long trial before committing.
#6Best free all-in-one outreach toolkit
Snov.io
A sales toolkit that finds and verifies emails, warms up inboxes and runs email and LinkedIn campaigns, with a built-in CRM.
- Paid plans from
- $29.25/mo annual
- Free plan
- Yes (50 credits/mo)
- Best for
- Startups and small sales teams running cold outreach on a budget
- Works on
- Web, Chrome extensions (LinkedIn and email finder), API, MCP
Snov.io is the best free option for a startup that wants to find, verify and email prospects without stitching tools together. The free plan renews every 30 days with no end date and gives 50 credits and 100 unique recipients a month, one warm-up slot, campaigns and a simple CRM. It is small, but enough to test a first outbound message.
Starter costs $29.25 a month on annual billing ($39 monthly) and adds 1,000 credits, 5,000 unique recipients, unlimited senders, unlimited team seats, A/B testing and integrations. Unlimited seats is useful when a cofounder and first hire both prospect. The free plan blocks exports, integrations and bulk tasks, and LinkedIn automation is a paid add-on.
Key features
- Email FinderFind business emails by name and company, by domain, from an ideal-customer search, or from LinkedIn with the Chrome extension.
- Email VerifierCleans lists before sending with multi-step verification, which reduces bounces and protects a young domain's reputation.
- Multichannel campaignsSequences that combine email and LinkedIn steps with follow-ups, timing rules and A/B tests (LinkedIn automation is an add-on).
- Deliverability toolkitHealth checks, spam-risk monitoring, placement diagnostics and free SPF, DKIM, DMARC and blacklist checkers, handy when setting up a new sending domain.
- Sales CRMTrack leads and deals through a pipeline with Google Calendar sync, so an early startup can skip a separate CRM for a while.
Pricing
| Plan | Price | What you get |
|---|---|---|
| Trial (free) | $0 | 50 credits and 100 unique recipients a month, 1 warm-up slot, lead search, verification, campaigns and CRM |
| Starter | $29.25/mo annual ($39 monthly) | 1,000 credits and 5,000 unique recipients a month, 3 warm-up slots, unlimited senders, campaigns and team seats, A/B testing, API and integrations |
| Pro S | $74.25/mo annual ($99 monthly) | 5,000 credits and 25,000 unique recipients a month, unlimited warm-up |
| Pro M | $189/mo monthly | 20,000 credits and 50,000 recipients a month, unlimited warm-up |
| Pro L and Ultra | $369 to $738/mo monthly | 50,000 to 100,000 credits a month, unlimited warm-up |
| Custom Ultra | Custom | From 200,000 credits, credit rollover, flat rate and top-priority support |
List prices as of November 2026; plans change often, so check the vendor's pricing page before you buy. The free plan renews monthly; the LinkedIn Automation add-on has a 7-day free trial and costs $69 per slot a month ($62 annual).
Pros and cons
Pros
- Free plan that renews every month
- Find, verify, warm up and send in one tool
- Unlimited team seats and senders on paid plans
- Built-in CRM and unibox
Cons
- Credits run out quickly on lower plans
- LinkedIn automation and enrichment cost extra
- Free plan blocks exports, integrations and bulk tasks
Is it right for you?
Choose Snov.io ifYou want one cheap tool that finds and verifies emails and sends campaigns, starting on a free plan.
Look elsewhere ifYou need a very large contact database or deep phone data.
#7Best for finding emails and simple early outreach
Hunter
A tool for finding and verifying professional email addresses, with cold email sequences sent from your own Gmail or Outlook inbox.
- Paid plans from
- $34/mo annual
- Free plan
- Yes (50 credits/mo)
- Best for
- Founders and small teams doing their own early outreach
- Works on
- Web, Chrome extension, Google Sheets add-on, API, MCP server
Hunter fits the earliest stage of startup outbound: you know which companies you want to reach and need the right person's email. Domain Search shows the addresses Hunter has found for a company, Email Finder works from a name and company, and the verifier checks deliverability before you send. Founders reaching out to investors, partners or first customers will use it constantly.
Sequences send from your own Gmail or Outlook inbox with follow-ups, warm-up and A/B testing. The free plan gives 50 credits a month, one email account and 500 recipients per sequence. Starter ($34 a month annual, $49 monthly) adds 2,000 credits, three email accounts and an AI writing assistant. Teams planning real volume will outgrow it and add a dedicated sender.
Key features
- Domain SearchEnter a company name or website to see the email addresses and best contacts Hunter has found, ideal for targeted founder outreach to a short account list.
- Email FinderFinds a person's work email from their name and company, using 1 credit per email found.
- Email VerifierChecks whether addresses are deliverable before you send, using 0.5 credit per email, which protects a new domain's sender reputation.
- SequencesAutomated cold email campaigns from your own Gmail or Outlook inbox, with follow-ups, warm-up and A/B testing.
- Chrome extension and Google Sheets add-onFind emails on any website you visit, or find and verify emails directly in the spreadsheet where you keep your lead list.
Pricing
| Plan | Price | What you get |
|---|---|---|
| Free | $0 | 50 credits a month, Domain Search, Email Finder, Email Verifier, 1 email account, 500 recipients per sequence |
| Starter | $34/mo annual ($49 monthly) | 2,000 credits a month, 3 email accounts, 2,500 recipients per sequence, auto-verification, lead enrichment, AI Writing Assistant, CSV export |
| Growth | $104/mo annual ($149 monthly) | 10,000 credits a month, 10 email accounts, 5,000 recipients per sequence, priority support |
| Scale | $209/mo annual ($299 monthly) | 25,000 credits a month, 20 email accounts, 15,000 recipients per sequence, account manager |
| Enterprise | Custom | Custom credits, limits and support |
List prices as of November 2026; plans change often, so check the vendor's pricing page before you buy. Free plan available; every plan includes unlimited users.
Pros and cons
Pros
- Fast email lookups by domain or name
- Free plan with monthly credits
- Unlimited users on every plan
- Find and email in one tool
Cons
- Sequencing is lighter than dedicated cold email tools
- Credits do not roll over
- Phone data is not its strength
Is it right for you?
Choose Hunter ifYou are a founder sending targeted emails to a short list of companies and mostly need accurate work emails.
Look elsewhere ifYou plan high-volume outbound across many inboxes or need phone numbers.
#8Best for safe, deliverability-first sending
Woodpecker
A cold email and LinkedIn outreach tool focused on human-like sending and protecting sender reputation.
- Paid plans from
- $29/mo
- Free plan
- No (14-day trial)
- Best for
- Startups and small B2B teams sending moderate, careful volumes
- Works on
- Web, API
Woodpecker is the safest choice for a small startup team that is new to cold email and worried about damaging its domains. It sends at irregular intervals within your chosen hours, verifies addresses, and pauses sending from an inbox when bounces rise. One bad list from a founder's first experiment is less likely to hurt the reputation of every inbox.
The Email plan starts at $29 a month for 5,000 emails, with unlimited email accounts, contact storage, unlimited verification and three warm-ups. Condition-based campaigns branch on opens, clicks and replies, and sequences stop when a prospect answers. It is not built for very high volume, and the price climbs as monthly email volume grows.
Key features
- Human-like sendingSends at irregular intervals within your chosen hours rather than in bursts, which looks more natural to email providers.
- Bounce protection and verificationVerifies addresses and pauses an inbox when bounces rise, so one bad list does not damage your domain.
- Condition-based campaignsBranch a sequence on what a prospect does, such as opening, clicking or replying, so follow-ups match their interest.
- Unlimited email accountsConnect as many sending inboxes as you need and rotate between them, keeping volume per inbox low.
- Reply detection and auto-stopStops the sequence for a prospect as soon as they reply, so nobody gets an awkward follow-up after answering.
Pricing
| Plan | Price | What you get |
|---|---|---|
| $29/mo | From 5,000 emails a month, unlimited email accounts, contact storage and verification, three warm-ups | |
| Multichannel | Higher | Email plus one LinkedIn account with LinkedIn actions |
| Higher | LinkedIn outreach only | |
| Scale | Custom | Higher sending and LinkedIn limits |
List prices as of November 2026; plans change often, so check the vendor's pricing page before you buy. Annual billing saves up to 33%. 14-day free trial or 500 cold emails, whichever comes first, no card required.
Pros and cons
Pros
- Strong safeguards for sender reputation
- Unlimited email verification included
- Clean, easy interface
- Free trial needs no card
Cons
- Price rises quickly with sending volume
- Extra warm-ups and API are paid add-ons
- Less suited to very high volume
Is it right for you?
Choose Woodpecker ifYou are sending moderate volumes and care most about not burning your domains while you learn.
Look elsewhere ifYou plan very high volume on a tight budget, or want LinkedIn steps without moving up from the Email plan.
#9Best for growing into multichannel and AI SDR
Reply.io
A multichannel sales engagement platform for email, LinkedIn, calls and SMS, with a contact database and the Jason AI SDR.
- Paid plans from
- $49/user/mo annual
- Free plan
- No (14-day trial)
- Best for
- Startups and SaaS teams building a multichannel outbound function
- Works on
- Web, Chrome extension, API
Reply.io is the pick for a startup whose outbound is growing from founder emails into a real SDR function. Sequences can mix email, LinkedIn actions, calls, SMS and WhatsApp, so each prospect gets the right channel at the right step. A contact database and Chrome extension supply emails and phone numbers, and CRM sync keeps every touch visible to the team.
The Jason AI SDR is the other draw: an AI agent that builds lead lists, writes emails, handles replies and books meetings. That can cover outbound before you hire a first rep. The entry Email Volume plan is $49 per user a month on annual billing for email-only sequences, while multichannel and Jason are on higher plans. Setup takes longer than email-only tools.
Key features
- Multichannel sequencesMix email, LinkedIn actions, calls, SMS and WhatsApp in one sequence, so outreach does not depend on email alone.
- Jason AI SDRAn AI agent that builds lead lists, writes emails, handles replies and books meetings, useful before a startup can afford a first SDR.
- Contact databaseFind B2B contacts with emails and phone numbers inside Reply.io or via its Chrome extension.
- Email warm-up and deliverabilityWarm up mailboxes and check deliverability before and during campaigns.
- CRM integrationsSync activity with Salesforce, HubSpot and Pipedrive so the team sees every touch in its CRM.
Pricing
| Plan | Price | What you get |
|---|---|---|
| Email Volume | $49/user/mo annual | Email-only sequences |
| Multichannel | Higher | Adds LinkedIn, calls and SMS steps to sequences |
| Jason AI SDR | Higher | AI agent that finds leads, writes emails and handles replies |
| Agency | Custom | Client management for agencies |
List prices as of November 2026; plans change often, so check the vendor's pricing page before you buy. 14-day free trial.
Pros and cons
Pros
- Widest channel coverage on this list
- Jason AI SDR can run whole campaigns
- Contact data built in
- Solid CRM integrations
Cons
- Multichannel and AI features are on pricier plans
- Setup takes longer than email-only tools
- Per-user pricing adds up as you hire
Is it right for you?
Choose Reply.io ifYou are building a multichannel outbound team, or want an AI SDR to run outreach before your first sales hire.
Look elsewhere ifYou only need cheap email-only sending across many inboxes.
#10Best for founders new to cold email
Mailshake
A simple cold email and sales engagement tool with an AI writer, warm-up, a reply hub and a power dialer on the top plan.
- Paid plans from
- $25/user/mo annual
- Free plan
- No
- Best for
- Founders and small sales teams running their first cold email campaigns
- Works on
- Web, Chrome extension, API
Mailshake is built for people who have never run a cold email campaign. You set up a sequence and its follow-ups in a few steps, the SHAKESpeare AI writer drafts emails from a short prompt, and warm-up is included from the Starter plan. A founder can go from signup to a first live campaign quickly, without learning inbox rotation or spintax.
Starter costs $25 a month on annual billing ($29 monthly) for one email address and 1,500 sends a month. Email Outreach ($45 annual) adds a second address, unlimited sends, rotation, a unified inbox and CRM integrations. Sales Engagement adds ten addresses, Data Finder credits and a power dialer. Pricing is per user, and there is no free trial.
Key features
- Simple sequence builderSet up a campaign and its follow-ups in a few steps, which keeps the learning curve short for a founder doing outbound for the first time.
- SHAKESpeare AI writerDrafts cold emails and follow-ups from a short prompt, included on every plan.
- Email warm-upWarms up your sending address automatically, included from the Starter plan.
- Lead CatcherCollects replies and engagement in one place and flags the prospects who need a response.
- Power dialerCall prospects from inside Mailshake with five phone numbers on the Sales Engagement plan, for founders who follow up emails with calls.
Pricing
| Plan | Price | What you get |
|---|---|---|
| Starter | $25/user/mo annual ($29 monthly) | One email address, 1,500 sends a month, warm-up and AI writing |
| Email Outreach | $45/user/mo annual ($49 monthly) | Two email addresses, unlimited sends, rotation, unified inbox and CRM integrations |
| Sales Engagement | $85/user/mo annual ($99 monthly) | Ten email addresses, 2,500 Data Finder credits and a power dialer |
| Agency | Custom | Unlimited email addresses |
List prices as of November 2026; plans change often, so check the vendor's pricing page before you buy.
Pros and cons
Pros
- Easiest tool here for beginners
- AI writer and warm-up on every plan
- Built-in dialer on the top plan
- Clear, simple pricing
Cons
- Only one or two email addresses on lower plans
- No free trial
- Per-user pricing grows with the team
Is it right for you?
Choose Mailshake ifYou are a founder running your first cold email campaigns and want the simplest tool to learn.
Look elsewhere ifYou plan to send from dozens of inboxes, where flat-priced tools like Instantly or Smartlead fit better.
Best cold email software by need
- Finding leads and sending for freeApollo.io
- Scaling across many inboxesInstantly
- Personalized founder-led outreachlemlist
- High volume on a tight budgetSmartlead
- Cheap sending with lead credits includedSaleshandy
- Free email finding and verificationSnov.io
- Finding emails by company domainHunter
- Protecting new domainsWoodpecker
- Multichannel outreach and an AI SDRReply.io
What to look for in cold email software
- A free plan or low entry pricePre-revenue teams should test a message before paying. Apollo.io, Snov.io and Hunter have free plans, and Mailshake, Woodpecker and Snov.io start under $30 a month.
- Built-in lead dataIf you have no list yet, cold email software with a lead database saves a second subscription. Check how many credits the plan includes and whether they roll over.
- Warm-up and deliverability safeguardsNew domains need warm-up before campaigns. Look for automatic warm-up, email verification and bounce protection so one bad list does not burn your domain.
- Pricing that does not grow per inboxStartups add secondary domains and inboxes quickly. Per-workspace pricing, as on Instantly, Smartlead and Saleshandy, keeps cost flat while volume grows.
- A shared reply inboxReplies from many inboxes should land in one place, so the founder never misses an interested prospect.
- Room to grow into multichannelOnce you hire a rep, LinkedIn steps, calling and CRM sync matter. lemlist and Reply.io cover all three on their multichannel plans, and Apollo.io adds calling and CRM sync on paid plans.
How much does cold email software cost in 2026?
Cold email software for startups costs $0 to about $50 a month to start, and $75 to $110 a month once outbound becomes a main channel. Lead data and LinkedIn add-ons are usually extra.
| Tier | Typical price | Tools at this level | Who it suits |
|---|---|---|---|
| Free | $0 | Apollo.io, Snov.io, Hunter | Founders testing a first outbound message on small volumes |
| Flat-priced senders | $29 to $47/mo | Woodpecker, Smartlead, Saleshandy, Instantly | Startups sending from several inboxes without per-user fees |
| Per-user outreach | $25 to $69/user/mo | Mailshake, Apollo.io Basic, Reply.io, lemlist | Founders and small teams who want data, personalization or multichannel per seat |
| Scale and multichannel | $74 to $109/mo | Snov.io Pro S, Saleshandy Pro, Smartlead Pro, Apollo.io Professional, Instantly Hypergrowth, lemlist Multichannel | Startups with outbound as a main growth channel |
Entry prices from vendor pricing pages, November 2026. Several tools quote annual prices; monthly billing costs more.
Budget for the whole outbound stack, not only the sender. A typical startup setup is a lead source, a few secondary domains and inboxes, and the sending tool. Apollo.io, Saleshandy and lemlist bundle lead data, which can make them cheaper overall than a cheaper sender plus a separate database. Pay monthly until a campaign books meetings, then switch to annual billing to save.
How we chose the best cold email software
We started with the cold email and outreach tools in the MakeSuccessOnline directory and added well-known startup options we have not yet reviewed, such as Saleshandy. We set up each one the way an early-stage startup would: connected a secondary-domain inbox, ran warm-up, built a lead list, wrote a three-step sequence and checked what changes on the next plan up. We scored each tool on the criteria below and checked vendor documentation and current pricing in November 2026.
- DeliverabilityWarm-up, rotation, verification and safeguards that keep emails out of spam.25%
- Pricing and valueFree plans, entry price and how cost scales with inboxes and seats.20%
- Lead dataWhether the tool finds and verifies contacts, and how far the credits go.15%
- Ease of useHow quickly a founder gets a first campaign live.15%
- Personalization and sequencesCustom fields, conditions, follow-ups and A/B testing.15%
- Growth pathMultichannel steps, CRM sync and AI features for when the team grows.10%
How to choose cold email software
- Decide where your leads come fromIf you have no list, pick cold email software with a lead database such as Apollo.io, Saleshandy or Snov.io. If you already have one, a pure sender is cheaper.
- Set up secondary domains firstBuy a few lookalike domains and inboxes so cold email never touches your main domain, then warm them up before your first campaign.
- Start on a free plan or trialTest one message to one segment on Apollo.io, Snov.io or Hunter, or a free trial elsewhere, before you commit to annual billing.
- Check how price scalesModel the cost at three times today's volume. Per-user tools grow with every hire; per-workspace tools grow with emails sent.
- Match the tool to your sales motionFounder-led sales to a short list suits lemlist or Hunter. Volume outbound suits Instantly or Smartlead. Multichannel suits Reply.io.
- Connect your CRM earlyMake sure replies and meetings flow into the CRM your startup uses, so the first sales hire inherits a clean history.
Check during the free trial
- How long does warm-up take before a new inbox can send campaigns?
- How many contacts and emails does the plan really cover each month?
- Do lead credits roll over, and what does a phone number cost?
- Can replies from every inbox be handled in one place?
- What does the bill look like if you double inboxes or add a second user?
Red flags
- No warm-up or verification included
- Sending caps that are far below what the headline suggests
- Per-inbox fees that punish adding secondary domains
- Promises of guaranteed inbox placement
- Annual-only billing before you can test a campaign
Cold email software for startups FAQ
What is the best cold email software for startups?
Apollo.io is the best cold email software for most startups because its free plan combines a B2B contact database with sequences, so a founder can find and email prospects from one tool. Instantly is better once you need to scale across many inboxes, and lemlist is best for personalized founder-led outreach.
Is there free cold email software for startups?
Yes. Apollo.io's free plan includes 900 credits a year, 2 sequences and one Gmail mailbox at up to 250 emails a day. Snov.io and Hunter each give 50 free credits a month with basic campaigns. These are enough to test a message, but most startups move to a paid plan once outbound works.
How much does cold email software cost for a startup?
Most startups pay $25 to $55 a month to start. Smartlead, Saleshandy and Instantly cost $32 to $37.60 a month on annual billing with unlimited inboxes, while per-user tools such as Apollo.io and lemlist start at $49 to $55 per user a month annual. Lead credits and LinkedIn add-ons are often extra.
Instantly vs Smartlead: which is better for startups?
Instantly is easier to learn and its Unibox makes reply handling simple, which suits most startups. Smartlead is cheaper to start at $32 a month annual versus $37.60, and gives more control through a master inbox with AI reply categories, an API and webhooks. Both include unlimited inboxes and warm-up on every plan.
Apollo.io vs Instantly: which should a startup choose?
Choose Apollo.io if you need leads, because it includes a large B2B database, sequences and a free plan. Choose Instantly if you already have lead lists and want to send high volume across many inboxes at a flat workspace price. Many startups use Apollo.io for data and Instantly for sending.
How do I choose cold email software for my startup?
Start with where your leads come from, then how you sell. If you have no list, pick a tool with a lead database. For a short list of high-value accounts, choose personalization. For volume, choose unlimited inboxes at a flat price. Check warm-up, verification and how cost scales with inboxes and users.
How many cold emails can a startup send per day?
There is no single safe number, because it depends on inbox age, warm-up and list quality. The safe approach is to keep daily volume per inbox low and add inboxes to grow, which is why tools like Instantly and Smartlead rotate sends across inboxes. Apollo.io's free plan caps sends at 250 a day.
Should startups use a separate domain for cold email?
Yes. Send cold email from secondary domains so a spam complaint or bad list does not hurt your main company domain, which handles customer and investor email. Warm up each new inbox first. Apollo.io lets paid users buy domains and mailboxes inside the app, and most tools here include warm-up.
About the reviewer
Editor & Reviewer, MakeSuccessOnline
William Harrison is an editor and reviewer at MakeSuccessOnline. He reviews each tools ranking before it goes live, checking plans, prices, free tiers and features against the tool's own documentation, and keeps rankings current as tools change.