GrowthBook
Open-source feature flags and A/B testing
FreeAnalyticsTestingOpen Source3 impressions
GrowthBook is a free alternative to LaunchDarkly.
GrowthBook is an open-source, warehouse-native platform for feature flags, A/B testing and product analytics.
- for
- Product, engineering and data teams that need experimentation and flag management.
- pricing
- freemium · free trial
- license
- open source
Key features
- Unlimited feature flags — Create and manage unlimited flags with low-latency evaluation.
- Unlimited experiments — Run unlimited A/B tests directly on your data warehouse.
- AI Visual Editor — Design experiments with a visual interface powered by AI.
- Multi-arm & contextual bandits — Optimize experiments using advanced statistical methods.
- Safe rollouts & auto-rollback — Schedule releases with guardrails and automatic rollback on failures.
- 24+ lightweight SDKs — Integrate with JavaScript, Python, React, iOS, Android, Go, Rust and more.
- REST API & webhooks — Full API access and unlimited webhooks for custom workflows.
- Product analytics — Explore metrics, funnels and user journeys directly from your warehouse.
Use cases
- A/B test a new AI-generated feature before full rollout.
- Gradually enable a feature for a subset of users with auto-rollback on errors.
- Analyze product usage patterns with SQL-based metrics in the data warehouse.
- Run multi-arm bandit experiments to optimize conversion funnels.
- Provide self-serve feature flag controls for non-engineer product managers.
GrowthBook pricing
- StarterFreeUp to 3 users · 1 project · Unlimited flags & experiments · Community support
- Pro$40/seat per monthUp to 30 users · 3 projects · AI Visual Editor · Multi-arm bandits
GrowthBook vs alternatives
 GrowthBook |  LaunchDarkly |  PostHog |  Plausible |  Google Analytics | |
|---|---|---|---|---|---|
| Best for | Warehouse-native feature flags & experiments | Feature flags with built-in experimentation | Product analytics with basic flags | Simple privacy-first web analytics | Advanced product analytics |
| Pricing | Freemium | Subscription | Subscription | Subscription | Free |
| DevHunt upvotes | 0 | 0 | 0 | 0 | 0 |
| Launched | — | — | — | — | — |
- GrowthBook vs LaunchDarkly: LaunchDarkly focuses on feature flags only and is cloud-only, while GrowthBook adds native experimentation and analytics.
- GrowthBook vs PostHog: PostHog provides product analytics and feature flags but is not warehouse-native and lacks advanced statistical experiment methods.
- GrowthBook vs Plausible: Plausible is a privacy-focused web analytics tool; it does not offer feature flagging or A/B testing.
- GrowthBook vs Google Analytics: Amplitude offers product analytics and experimentation but is a SaaS service with event-based pricing, unlike GrowthBook’s warehouse-native, open-source model.
GrowthBook FAQ
Does GrowthBook have a free plan?+
Yes, the Starter plan is free for up to three users and includes unlimited feature flags and experiments.
What is warehouse-native architecture?+
GrowthBook runs queries directly against your data warehouse, so no data duplication or re-formatting is required.
Can I self-host GrowthBook?+
Yes, a self-hosted version is available with the same features as the cloud offering.
What statistical methods are supported?+
GrowthBook includes Bayesian, frequentist, multi-arm bandits, contextual bandits, sequential testing and variance reduction techniques.
Is GrowthBook compliant with security standards?+
It offers SOC 2 Type II, GDPR, COPPA, CCPA compliance and full encryption for data at rest and in transit.
Summarized by DevHunt from growthbook.io · Oct 7, 2026. Details may change; check the official site.
About this listing
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