Side by side
GrowthBook vs Statsig
Both stand on a/b testing tools. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Choose GrowthBook for warehouse-based experimentation and feature management with a choice of cloud or self-hosted deployment. Its free plans include unlimited flags, experiments, and traffic, while Pro adds a larger user and project allowance and safe rollouts. Look elsewhere if you need Enterprise pricing upfront; the listed Enterprise price is tailored to scale and licensing requirements.
Visit GrowthBook
Statsig combines testing, release controls, and product analytics in one platform, with a free Developer plan and Pro at $150 a month. Review the one-connection limit and Developer event cap when choosing a plan.
Visit StatsigThe facts
| GrowthBook | Statsig | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Yes | No |
| Runs on | Android, API, Extension, iPhone, Self-hosted, Web | Android, API, Extension, iPhone, Self-hosted, Web |
| Lowest paid plan | Pro: $40 per seat a month | Pro: $150 a month |
| Plans published | 9 | 3 |
| Maker | Not published | Not published |
| Website | growthbook.io | statsig.com |
| On a/b testing tools | #2 of 52 | #16 of 52 |
GrowthBook: what it does well
- Supports Bayesian, frequentist, sequential, and CUPED testing methods.
- Unlimited feature flags, experiments, and traffic on listed free plans.
- Works as managed cloud software or self-hosted software.
- Lists more than 24 SDKs, including JavaScript, Python, Swift, and Kotlin.
- Analysis uses aggregate data, according to GrowthBook.
What to know first
- Free Starter Cloud is limited to three users and one project.
- Pro Cloud allows up to 30 users and three projects.
- Enterprise pricing is tailored and not listed.
Statsig: what it does well
- Supports several experiment designs and statistical methods.
- Includes flags, targeting, and scheduled rollouts.
- Provides funnels, retention, dashboards, and session replays.
- Developer plan includes 2 million monthly metered events.
What to know first
- Supports only one data connection at a time.
- Metric-lift computations stop beyond Developer's event limit.
- Warehouse-native deployment is limited to Enterprise.
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