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Developer Tools

Best Feature Flag & Experimentation Platforms in 2026

Use feature flag and experimentation platforms to manage releases and test product changes. Use this list to compare pricing, deployment options and code access before choosing a tool.

  1. 01 DevCycle

    DevCycle suits development teams that want attribute-based releases, staged rollouts, and experiments across client and server applications.

    From $625/mo Free plan Web · Windows · macOS · Linux
    9.4 Visit Specs
  2. 02 Flagsmith

    Flagsmith suits development teams that need controlled releases or remote configuration across web, mobile, and server-side applications.

    From $40/mo Free plan Open source Web · Windows · macOS · Linux
    9.2 Visit Specs
  3. 03 GrowthBook
    From $40/mo Free plan Open source Web · iOS · Android · API
    9.1 Visit Specs
  4. 04 Statsig

    It suits product and engineering teams that need experiment testing alongside feature controls and product analytics.

    From $150/mo Free plan Web · iOS · Android · API
    8.6 Visit Specs
  5. 05 ConfigCat

    It suits development teams that need to manage feature exposure across application platforms and environments.

    From $110/mo Free plan Web · macOS · iOS · Android
    8.5 Visit Specs
  6. 06 Flipt

    Flipt suits teams managing feature releases through Git-based workflows, whether self-hosted or using its APIs and SDKs.

    From $200/mo Free plan Web · Windows · macOS · Linux
    8.4 Visit Specs
  7. 07 FeatBit

    FeatBit suits development teams managing progressive releases, targeting, experiments, and rollback.

    From $333.25/mo Free plan Web · API · Self-hosted
    8.3 Visit Specs
  8. 08 LaunchDarkly Experimentation
    From $108.33/mo Free plan Web · iOS · Android · API
    8.1 Visit Specs
  9. 09 PostHog

    PostHog suits product teams that want analytics, session replay, feature flags, and event routing in one suite.

    Free plan Web · Windows · macOS · Linux
    8.1 Visit Specs
  10. 10 Kameleoon

    Kameleoon is suited to marketing, product, and engineering teams running experiments across web, back-end, and mobile experiences.

    From $495/mo Free trial Web · iOS · Android · API
    8.0 Visit Specs
  11. 11 Harness Continuous Delivery
    Free plan Web
    6.6 Visit Specs
  12. 12 CloudBees Feature ManagementCloudBees
    5.9 Visit Specs
  13. 13 Firebase Remote ConfigGoogle
    5.7 Visit Specs
  14. 14 Harness Feature FlagsHarness
    5.4 Visit Specs
  15. 15 IBM Cloud App ConfigurationIBM
    5.3 Visit Specs
  16. 16 Optimizely Feature ExperimentationOptimizely
    5.2 Visit Specs
  17. 17 Split
    5.1 Visit Specs
How this list is ordered. Specifiction scores each tool on how fully its maker documents it, whether its prices are published, where the research puts it, the platforms it runs on and whether it can be tried for free (how we rank). Makers can also buy a numbered place (how Specifiction is paid for).

Check support for the environments you use, including web, API, Android, iOS, self-hosted and macOS. Review free plans, trial terms and any open-source licence before you commit.

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