GO Feature Flag
6.7#19 in feature flag softwareFree planFree planAndroidiOSWebAPI
VisitGO Feature Flag vs GrowthBook
GrowthBook
8.6#1 in a/b testing toolsFrom $40 a monthFree planAndroidiOSWebAPI
VisitWhat both publish
| Fact | GO Feature Flag | GrowthBook |
|---|---|---|
| Audience | The maker describes the product as a feature management solution for teams seeking self-hosting, OpenFeature compatibility, and feature releases decoupled from deployments. | The pricing page describes Starter as for individuals or small teams, Pro for small and mid-sized teams, and Enterprise for teams operating at scale. |
| Deployment | The relay proxy can be started locally with a Docker command and uses a flag configuration file. | GrowthBook is available as a managed cloud service or self-hosted, including air-gapped deployment on major clouds or on-premises. |
| License | The project is 100% open source under the MIT license, and the site says the license permits commercial use. | GrowthBook uses an open-core model: most code is MIT licensed while some directories use the commercial GrowthBook Enterprise License. |
| Product | GO Feature Flag is an open-source feature flag management system built on OpenFeature and designed to run on infrastructure you already have. | GrowthBook is a warehouse-native platform for experimentation, feature flags, and product analytics. |
| SDKs | The site lists client and server SDKs for 16 languages and frameworks, including JavaScript, React, Swift, Kotlin, Go, Java, Python, .NET, Ruby, and Rust. | The SDK catalog covers JavaScript, React, Vue, Swift, Kotlin, Flutter, React Native, Node.js, Python, Ruby, PHP, Java, Go, C# and Elixir. |
GO Feature Flag plans
- OpensourceFree
- EnterprisePriced on request
GrowthBook plans
- Starter (Cloud)Free
- Open SourceFree
- Open Source (Self-Hosted)Free
- StarterFree
- Pro$40 a month
- Pro (Cloud)$40 a month
Pick GO Feature Flag if…
GO Feature Flag suits teams that want self-hosted feature management, OpenFeature compatibility, and releases separated from deployments. It is also suited to organizations needing broad SDK coverage, configurable integrations, and control over evaluation data.
Pick GrowthBook if…
Starter is described as suitable for individuals or small teams, while Pro is aimed at small and mid-sized teams. Enterprise is for teams operating at scale, with managed cloud and self-hosted deployment options.