About Statsig
Statsig is an A/B Testing & CRO tool designed to replace a stack of lighter point solutions. Generous free tier (1M events/mo). On top of that, flags + experiments + analytics in one. The product centres on Feature flags and Experiments — everything else is scaffolding around those. There's a free plan to explore before paying, with paid upgrades when you need them. The best modern pick for PLG SaaS. What stands out is simple — Developer-friendly SDKs.
Available on
Integrates with
Who it's for
A quick filter before you spend time on Statsig — read both sides before committing.
Use it if…
- Product-led SaaS startups
- Growth teams running weekly tests
- Companies migrating off LaunchDarkly + Optimizely
Skip it if…
- Marketing-only teams (VWO wins)
- Teams with mature Mixpanel + Optimizely stack
- Non-technical teams
Pros and cons
Pros
- Generous free tier (1M events/mo)
- Flags + experiments + analytics in one
- Developer-friendly SDKs
- Hits the core a/b testing & cro workflow without forcing a hunt for second tools
- Pricing lands in the right band for its target buyer
Cons
- Younger product — fewer docs than LaunchDarkly
- UI can feel busy with 3 modules
- Enterprise features behind higher plans
- Not the cheapest option in the category — the free alternatives cover basics
- Advanced features sit behind higher-tier plans most small teams won't need
Features
The capabilities you actually get when you sign up for Statsig.
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01
Feature flags
Progressive rollouts with telemetry
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02
Experiments
Server + client-side A/B tests
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03
Product analytics
Funnels, retention, cohorts
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04
Core workspace
The main editor or dashboard where day-to-day a/b testing & cro work happens
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05
Integrations hub
Connects to the tools your stack already uses so data doesn't live in silos
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06
Reporting and dashboards
Built-in reports and exportable dashboards for stakeholder reviews
Pricing
A free plan to start, then paid tiers for the full set of features.
Free
$0
- 1M events/mo
- 10 flags
- All features
Scale
Contact sales
- Volume pricing
- Starts ~$150/mo
Frequently asked questions
What people usually want to know before signing up for Statsig.
Is Statsig really free up to 1M events?
Yes — one of the most generous free tiers in experimentation.
Statsig vs. LaunchDarkly?
Statsig has experiments + analytics built in; LaunchDarkly is flags-only but more mature.
Does the editor cause page flicker or hurt Core Web Vitals?
Modern async-rendering engines keep flicker under 100ms. Older synchronous snippets can add 300ms+ to LCP — test before you ship.
How much traffic do I need to run a test?
Roughly 1,000 conversions per variant per week for a 10% MDE at 95% confidence. Below that, tests take longer than the lifetime of the feature.
Is server-side testing worth the extra work?
For logged-in features and pricing changes, yes — it's the only way to test without exposing your experiment architecture to the client.
Bottom line
Should you use Statsig?
The best modern pick for PLG SaaS. LaunchDarkly is still the enterprise flag standard.