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Best Feature Flag Software in 2026

23 feature flag software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.

23ranked
20free plans on this page
$19/molowest paid tier
2 Oct 2026last checked
#1 Flagsmith Top pick · 9.6 Free plan · $40/mo #2 ConfigCat Runner-up · 8.8 Free plan · $110/mo #3 Featureflow Also great · 8.8 Free plan · $99/mo
  1. 1

    Flagsmith

    9.6
    Free planFree trial AndroidapiiOSLinuxmacOSself-hostedWebWindows
    Free plan
    Yes
    SDK languages
    JavaScript, React, Next.js, Android/Kotlin, iOS/Swift, Flutter, Python, Java, .NET, Node.js, Ruby, PHP, Go, Rust, Elixir
    Targeting rules
    Yes
    Percentage rollouts
    Yes
    User segments
    Yes
    RecognisedDocumentedFree planFree trialPlatforms
    $40/mofirst paid tier About FlagsmithVisit site
  2. 2

    ConfigCat

    8.8
    Free plan AndroidapiextensioniOSmacOSself-hostedWeb
    Free plan
    Yes
    SDK languages
    JavaScript, Angular, React, Node.js, Deno, Bun, Cloudflare Worker, .NET, Java, Go, PHP, Python, Android Java, iOS Swift, Dart, Flutter, Kotlin Multiplatform, Ruby, Elixir, C++, Rust, Unreal Engine
    Targeting rules
    Yes
    Percentage rollouts
    Yes
    User segments
    Yes
    RecognisedDocumentedFree planFree trialPlatforms
    $110/mofirst paid tier About ConfigCatVisit site
  3. 3

    Featureflow

    8.8
    Free planFree trial AndroidapiiOSWeb
    Free plan
    Yes
    SDK languages
    Java, Node.js, .NET, Ruby, Go, JavaScript/TypeScript, React, React Native, iOS, Android, Python
    Targeting rules
    Yes
    Percentage rollouts
    Yes
    User segments
    Yes
    RecognisedDocumentedFree planFree trialPlatforms
    $99/mofirst paid tier About FeatureflowVisit site
  4. 4

    GrowthBook

    8.5
    Free plan AndroidapiiOSself-hostedWeb
    Free plan
    Yes
    Paid from
    40 /user/mo
    RecognisedDocumentedFree planFree trialPlatforms
    $40/mofirst paid tier About GrowthBookVisit site
  5. 5

    Statsig

    8.4
    Free plan AndroidapiiOSWeb
    Free plan
    Yes
    RecognisedDocumentedFree planFree trialPlatforms
    $150/mofirst paid tier About StatsigVisit site
  6. 6

    Flipt

    8.3
    Free planFree trial apiLinuxmacOSself-hostedWebWindows
    Free plan
    Yes
    SDK languages
    Go, Python, JavaScript, C#, Swift, Kotlin, Dart
    Targeting rules
    Yes
    Percentage rollouts
    Yes
    User segments
    Yes
    RecognisedDocumentedFree planFree trialPlatforms
    $200/mofirst paid tier About FliptVisit site
  7. 7

    LaunchDarkly Experimentation

    8.3
    Free planFree trial AndroidapiiOSWeb
    Free plan
    Yes
    RecognisedDocumentedFree planFree trialPlatforms
    $108.33/mofirst paid tier About LaunchDarkly ExperimentationVisit site
  8. 8

    DevCycle

    8.2
    Free plan AndroidapiextensioniOSWeb
    Free plan
    Yes
    RecognisedDocumentedFree planFree trialPlatforms
    $500/mofirst paid tier About DevCycleVisit site
  9. 9

    feat

    8.0
    Free plan AndroidapiiOSWeb
    Free plan
    Yes
    SDK languages
    JavaScript, Go, Python, Ruby, Cloudflare Workers
    Targeting rules
    Yes
    Percentage rollouts
    Yes
    User segments
    Yes
    RecognisedDocumentedFree planFree trialPlatforms
    $19/mofirst paid tier About featVisit site
  10. 10

    FeatBit

    7.7
    Free plan Web
    Free plan
    Yes
    SDK languages
    JavaScript/TypeScript, React, React Native, Node.js, .NET, Java, Python, Ruby, Go, Rust, OpenFeature providers
    Targeting rules
    Yes
    Percentage rollouts
    Yes
    User segments
    Yes
    RecognisedDocumentedFree planFree trialPlatforms
    Free About FeatBitVisit site
  11. 11

    Bucketeer

    7.5
    Free plan AndroidapiiOSself-hostedWeb
    Free plan
    Yes
    SDK languages
    Android, iOS, Flutter, JavaScript, React, React Native, Go, Node.js, OpenFeature
    Targeting rules
    Yes
    Percentage rollouts
    Yes
    User segments
    Yes
    RecognisedDocumentedFree planFree trialPlatforms
    Free About BucketeerVisit site
  12. 12

    TrustyGorilla

    7.4
    Free plan Web
    Free plan
    Yes
    SDK languages
    JavaScript, TypeScript, Python, Java, Go, Kotlin, .NET, PHP, Ruby, Swift
    Targeting rules
    Yes
    Percentage rollouts
    Yes
    User segments
    Yes
    RecognisedDocumentedFree planFree trialPlatforms
    Free About TrustyGorillaVisit site
  13. 13

    Rollgate

    7.4
    Free plan WebiOSAndroid
    Free plan
    Yes
    SDK languages
    React, Vue, Angular, Svelte, Browser, Node.js, Go, Python, Java, .NET, React Native, Flutter
    Targeting rules
    Yes
    Percentage rollouts
    Yes
    User segments
    Yes
    RecognisedDocumentedFree planFree trialPlatforms
    Free About RollgateVisit site
  14. 14

    Harness Feature Management & Experimentation

    7.4
    Free plan AndroidapiiOSLinuxmacOSself-hostedWebWindows
    Free plan
    Yes
    SDK languages
    JavaScript, Flutter, Browser, Redux, Node.js, Python, Java, Go, .NET, Ruby, PHP, Elixir
    Targeting rules
    Yes
    Percentage rollouts
    Yes
    User segments
    Yes
    RecognisedDocumentedFree planFree trialPlatforms
    Free About Harness Feature Management & ExperimentationVisit site
  15. 15

    Vercel

    7.2
    Free planFree trial apiWeb
    Free plan
    Yes
    Paid from
    20 /user/mo
    RecognisedDocumentedFree planFree trialPlatforms
    $20/mofirst paid tier About VercelVisit site
  16. 16

    Featurevisor

    6.8
    Free plan WebiOSAndroid
    Free plan
    Yes
    SDK languages
    JavaScript, Node.js, Browser, React, React Native, Go, Python, PHP, Ruby, Java, Swift, Next.js
    Targeting rules
    Yes
    Percentage rollouts
    Yes
    User segments
    Yes
    RecognisedDocumentedFree planFree trialPlatforms
    Free About FeaturevisorVisit site
  17. 17

    Tggl

    6.7
    WebiOSAndroid
    Free plan
    No
    SDK languages
    Angular, .NET, Express.js, Java, JavaScript, Kotlin, NestJS, Next.js, Node.js, PHP, Python, React Native, React, Ruby on Rails, Ruby, Swift, TypeScript, Vue
    Targeting rules
    Yes
    Percentage rollouts
    Yes
    User segments
    Yes
    RecognisedDocumentedFree planFree trialPlatforms
    About TgglVisit site
  18. 18

    GO Feature Flag

    6.6
    Free plan
    Free plan
    Yes
    SDK languages
    JavaScript, TypeScript, React, Angular, Swift, Kotlin/Android, Go, Java, Kotlin, .NET, Python, Node.js, PHP, Ruby, Rust, NestJS
    Targeting rules
    Yes
    Percentage rollouts
    Yes
    User segments
    Yes
    RecognisedDocumentedFree planFree trialPlatforms
    Free About GO Feature FlagVisit site
  19. 19

    Zenmanage

    6.6
    Free plan Web
    Free plan
    Yes
    SDK languages
    JavaScript/TypeScript, PHP, Laravel, Python, Go, .NET
    Targeting rules
    Yes
    Percentage rollouts
    Yes
    User segments
    Yes
    RecognisedDocumentedFree planFree trialPlatforms
    Free About ZenmanageVisit site
  20. 20

    Featureflip

    6.3
    Free plan WebiOSAndroid
    Free plan
    Yes
    RecognisedDocumentedFree planFree trialPlatforms
    Free About FeatureflipVisit site
  21. 21

    Togglely

    6.3
    Free plan Web
    Free plan
    Yes
    SDK languages
    JavaScript, TypeScript, React, Svelte, Vue.js
    Targeting rules
    Yes
    Percentage rollouts
    Yes
    User segments
    Yes
    RecognisedDocumentedFree planFree trialPlatforms
    Free About TogglelyVisit site
  22. 22

    FeatureHub

    5.7
    WebiOSAndroid
    Free plan
    No
    Paid from
    4.99 /user/mo
    SDK languages
    Java, JavaScript, C#, Dart, Go, Python, Ruby, Swift
    Targeting rules
    Yes
    Percentage rollouts
    Yes
    RecognisedDocumentedFree planFree trialPlatforms
    About FeatureHubVisit site
  23. 23

    FeatureProbe

    5.6
    Web
    SDK languages
    Java, Rust, Go, Python, Node.js, JavaScript, Android, iOS, Mini Program, React, Flutter
    Targeting rules
    Yes
    Percentage rollouts
    Yes
    User segments
    Yes
    RecognisedDocumentedFree planFree trialPlatforms
    About FeatureProbeVisit site

Is your platform on this list?

Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.

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Questions about this list

Which feature flag software is ranked first on The Geeks Club?

Flagsmith is ranked #1 of 23 with a score of 9.6. ConfigCat is second and Featureflow third.

How many of these have a free plan?

20 of the 23 on this page publish a free plan on their own pricing pages.

Which is the cheapest paid option?

On this page, feat has the lowest first paid tier we found: $19/mo.

How is this list ranked?

Ranked on how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on. Paid placements never change a rank.

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