GrowthBook
Open source experimentation and feature flags, free for up to 3 users.
Best for: open source experimentation and feature flags, free for up to 3 users
- Starting price
- Free plan · from $40/mo
- Free plan
- Yes
- Free trial
- Not stated by the vendor
- Checked on
- 2026-10-03
GrowthBook is an experimentation and feature flag platform that connects to your own data warehouse. It runs on the cloud or self-hosted, with unlimited experiments, flags and traffic even on the free plan, and charges per seat on Pro.
Key features
- Unlimited experiments (A/B tests) and feature flags
- Bring your own warehouse or a managed warehouse
- Bayesian and frequentist statistics
- AI Visual Editor and split URL tests (Pro)
- Multi-arm bandits and safe rollouts (Pro)
- Sample ratio mismatch detection
- CUPED variance reduction (Pro)
- Cloud or self-hosted
What stands out
- Free plan with unlimited experiments, flags and traffic
- No credit card required to start
- Self-hosting is an option
Trade-offs
- Free is limited to 3 users and 1 project
- Pro is $40 per seat a month, so cost grows with the team
- SSO, approval workflows and uptime SLAs need Enterprise
Pricing
| Plan | Price | Fees | Includes |
|---|---|---|---|
| Starter | $0 | Not stated |
|
| Pro | $40 per month | Per seat per month |
|
| Enterprise | Custom pricing; contact sales |
|
Cloud pricing as shown: Starter free, Pro $40 per seat per month (up to 30 users and 3 projects), Enterprise custom. The managed warehouse includes 1M events a month on Starter and 2M on Pro, then $30 per million. A separate self-hosted pricing tab exists and was not read.
Checked 2026-10-03. Source: www.growthbook.io. Prices change; confirm on the vendor's site before you buy.
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