# Alternatives to GrowthBook GrowthBook is an open-source feature flag and experimentation platform with warehouse-native A/B testing; self-hostable or cloud. GrowthBook ranks #3 of 8 in Feature flag platforms, with an Alt Score of 96. It is licensed under MIT (with GrowthBook Enterprise License for enterprise-only directories), open source with paid hosting from $40/seat/month and available on the web. 13 of 13 checklist rows are verified against a public source. Source: https://altcatalog.com/alternatives/growthbook/ Category: Feature flag platforms ## Where GrowthBook stands out - **Open source** — 3 of 8 apps with a verified answer have this - **Self-hostable** — 4 of 8 apps with a verified answer have this ## Overview - **Who it's for**: Engineering and product teams that want warehouse-native experimentation and feature flags without vendor lock-in, including teams that need to self-host for data-control or compliance reasons. - **What you get**: Open-source feature flags with gradual rollouts and instant kill switches, a full A/B testing and experimentation stats engine (Bayesian/frequentist, CUPED, sequential testing, bandits) that queries your own data warehouse, plus built-in product analytics and 24+ server/client SDKs. - **How it works**: Run GrowthBook as a free self-hosted Docker deployment or on GrowthBook Cloud; SDKs fetch and locally evaluate feature/targeting rules in your app (including at the edge), while experiment results are computed via SQL against your connected warehouse or event tracker rather than routing raw event data through GrowthBook's servers. ## Profile - **License**: MIT (with GrowthBook Enterprise License for enterprise-only directories) (verified 2026-07-17) - **Pricing model**: OSS + paid hosting (verified 2026-07-17) - **Starts at**: $40/seat/month (verified 2026-07-17) - **Platforms**: Web - **Status**: active (verified 2026-07-17) ## Ranked alternatives | # | App | Alt Score | Licence | Platforms | |---|-----|-----------|---------|-----------| | 1 | [Flagsmith](https://altcatalog.com/alternatives/flagsmith.md) | 100 | BSD-3-Clause | Web | | 2 | [Unleash](https://altcatalog.com/alternatives/unleash.md) | 100 | AGPL-3.0-or-later | Web | | 3 | [DevCycle](https://altcatalog.com/alternatives/devcycle.md) | 86 | Proprietary | Web | | 4 | [LaunchDarkly](https://altcatalog.com/alternatives/launchdarkly.md) | 86 | Proprietary | Web | | 5 | [ConfigCat](https://altcatalog.com/alternatives/configcat.md) | 83 | Proprietary (platform); MIT (SDKs) | Web | | 6 | [Split](https://altcatalog.com/alternatives/split.md) | 83 | Proprietary | Web | | 7 | [Reflag](https://altcatalog.com/alternatives/bucket.md) | 72 | Proprietary (platform); MIT (SDKs) | Web | Alt Score = Verified coverage (90%) + Visibility (10%). See https://altcatalog.com/how-alt-score-works/ ## Feature comparison Legend: Yes / No / Partial / ? (not verified). | Feature flag platforms checklist | GrowthBook | Flagsmith | Unleash | DevCycle | LaunchDarkly | ConfigCat | |---|---|---|---|---|---|---| | Pricing model | OSS + paid hosting | OSS + paid hosting | OSS + paid hosting | Freemium | Freemium | Freemium | | Starts at | $40/seat/month | $45/month | $75/seat/month (USD) | $500 USD/month (Business plan, billed annually; $625/month billed monthly) | $10/mo per Service Connection (Foundation plan) | $110/month | | License | MIT (with GrowthBook Enterprise License for enterprise-only directories) | BSD-3-Clause | AGPL-3.0-or-later | Proprietary | Proprietary | Proprietary (platform); MIT (SDKs) | | Platforms | Web | Web | Web | Web | Web | Web | | Open source | Yes | Yes | Yes | No | No | No | | Self-hostable | Yes | Yes | Yes | No | No | Yes | | Percentage / gradual rollouts | Yes | Yes | Yes | Yes | Yes | Yes | | User targeting & segments | Yes | Yes | Yes | Yes | Yes | Yes | | A/B testing / experimentation | Yes | Yes | Yes | Yes | Yes | Partial | | Kill switches | Yes | Yes | Yes | Yes | Yes | Yes | | SDKs (server + client) | Yes | Yes | Yes | Yes | Yes | Yes | | Local evaluation / edge | Yes | Yes | Yes | Yes | Yes | Yes | | Audit logs | Yes | Yes | Yes | Yes | Yes | Yes | | Approval workflows | Yes | Yes | Yes | Yes | Yes | ? | | Analytics integration | Yes | Yes | Yes | Yes | Yes | Yes | | Free tier flag limit | Yes | Yes | Yes | Yes | Yes | Yes | | SSO / SAML | Partial | Yes | Yes | Yes | Yes | Yes | ## Sources Sources for GrowthBook. Each alternative is sourced on its own page. - **Platforms**: Web — (verified 2026-07-17) - Note: GrowthBook is a web-based SaaS/self-hosted app (Docker) with client/server SDKs for many languages; no native desktop/mobile GrowthBook app, so platforms = Web. - Quote: “Compare GrowthBook pricing plans from free to enterprise on cloud or self-hosted.” - **License**: MIT (with GrowthBook Enterprise License for enterprise-only directories) — (verified 2026-07-17) - Note: MIT Expat" license as defined below." — LICENSE file states core is MIT ("MIT Expat"), but code under packages/back-end/src/enterprise, packages/front-end/enterprise, and packages/shared/src/enterprise is licensed under the separate GrowthB - Quote: “Content outside of the above mentioned directories or restrictions above is available under the ” - **Pricing model**: OSS + paid hosting — (verified 2026-07-17) - Note: Free self-hosted open-source edition plus a free Starter cloud tier, paid Pro cloud tier, and custom-priced Enterprise (cloud or self-hosted). - Quote: “Starter|Free|No credit card required|Up to 3 users|Unlimited feature flags|Unlimited experiments ... Pro|$40|/ seat / month ... Enterprise|Custom” - **Starts at**: $40/seat/month — (verified 2026-07-17) - Note: Cheapest paid GrowthBook Cloud tier (Pro). The Starter cloud tier and self-hosted open-source edition are Free. - Quote: “Pro|For small and mid-sized teams with advanced statistics and analytics.|$40|/ seat / month” - **Status**: active — (verified 2026-07-17) - Note: Latest GitHub release v4.4.0 published 2026-05-27 (per GitHub API), roughly 7 weeks before this research date of 2026-07-17, indicating active, ongoing development. - Quote: “v4.4.0” - **Open source**: Yes — (verified 2026-07-17) - Quote: “Open Source Feature Flags, Experimentation, and Product Analytics” - **Self-hostable**: Yes — (verified 2026-07-17) - Quote: “GrowthBook consists of a NextJS front-end, an ExpressJS API, and a Python stats engine. Everything is bundled together in a single Docker Image.” - **Percentage / gradual rollouts**: Yes — (verified 2026-07-17) - Quote: “Open-source feature flag management platform with gradual rollouts, instant kill switches, and warehouse-native A/B testing.” - **User targeting & segments**: Yes — (verified 2026-07-17) - Quote: “This page covers how to set up attributes, write conditions, and use Saved Groups for reusable targeting.” - **A/B testing / experimentation**: Yes — (verified 2026-07-17) - Quote: “Open-source feature flag management platform with gradual rollouts, instant kill switches, and warehouse-native A/B testing.” - **Kill switches**: Yes — (verified 2026-07-17) - Quote: “Open-source feature flag management platform with gradual rollouts, instant kill switches, and warehouse-native A/B testing.” - **SDKs (server + client)**: Yes — (verified 2026-07-17) - Quote: “24 SDKs including [React](https://docs.growthbook.io/lib/react), [Python](https://docs.growthbook.io/lib/python), [Android](https://docs.growthbook.io/lib/kotlin), and [iOS](https://docs.growthbook.io” - **Local evaluation / edge**: Yes — (verified 2026-07-17) - Note: GrowthBook also ships dedicated edge SDKs/apps for Cloudflare Workers, Fastly Compute, and Lambda@Edge (docs.growthbook.io/lib/edge/*). - Quote: “Evaluate features: Using attributes you provide (like user ID, country, or subscription plan), the SDK evaluates your targeting rules and returns the appropriate feature values. This evaluation happen” - **Audit logs**: Yes — (verified 2026-07-17) - Note: Basic audit log is included generally; an 'Exportable Audit Logs' variant is called out as an Enterprise-plan feature on the pricing page, but tier-gating alone doesn't demote this per category policy - Quote: “GrowthBook keeps an audit log of all actions taken on the platform. You can access this page from the Settings → Log in the left navigation.” - **Approval workflows**: Yes — (verified 2026-07-17) - Quote: “Require Approvals is available on Enterprise plans. With Approval flows, you can require approval before publishing any change to an existing feature flag.” - **Analytics integration**: Yes — (verified 2026-07-17) - Quote: “Data warehouse integrations (Snowflake, BigQuery, Databricks, ClickHouse, Trino) ... Event trackers (Fullstory, Firebase, Segment, GA4, Rudderstack)” - **Free tier flag limit**: Yes — (verified 2026-07-17) - Note: Both the free GrowthBook Cloud Starter tier and the self-hosted open-source edition offer unlimited feature flags. - Quote: “Starter|Free|No credit card required|Up to 3 users|Unlimited feature flags|Unlimited experiments” - **SSO / SAML**: Partial — (verified 2026-07-17) - Note: GrowthBook's SSO is OpenID Connect (OIDC) based, not SAML — its own Azure setup instructions explicitly state 'we use OpenID Connect, not SAML.' SSO exists (Enterprise) but true SAML support is absent - Quote: “Enterprise SSO is available on Enterprise plans. SSO is available on GrowthBook Cloud or Self-hosted via OpenID Connect.” --- Ranked by verified data, never by who paid. https://altcatalog.com/trust/