Best Feature Flag Software in 2026
Updated
In short: Flagsmith is ranked #1 of 25 as of 4 October 2026, ahead of Flipt and Featureflow. The best-ranked option with a free plan is Flipt. The lowest first paid tier on this page is Tggl at €18/mo.
Feature flag software gives teams controls for deciding which features are available to users and how they are exposed. Compared on percentage rollouts, targeting rules and user segments, these entries also show details about environments and SDK languages that can help you assess fit with your development setup. Approval workflows and audit logs are listed for comparing change oversight. Check free-plan availability and paid-from pricing for cost context. Flagsmith, Flipt and Featureflow are among the options shown. Consider which release controls your team needs, how it targets access, and what environments and development languages it works with.
25 feature flag software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
25ranked
15free plans on this page
€18/molowest paid tier
4 Oct 2026last checked
Input list Feature Flag Software 25 channels on this page · 119 of 200 spec lines stated by the makers
Ch Tool Free planPaid fromSDK languagesTargeting rulesPercentage rolloutsUser segmentsEnvironmentsAudit log Spec sheet Score
01 Flagsmith Free planYesPaid fromnot statedSDK languagesJavaScript, React, Next.js, Android/Kotlin, iOS/Swift, Flutter, Python, Java, .NET, Node.js, Ruby, PHP, Go, Rust, ElixirTargeting rulesYesPercentage rolloutsYesUser segmentsYesEnvironmentsnot statedAudit logYes 6/8spec lines stated 8.2
02 Flipt Free planYesPaid fromnot statedSDK languagesGo, Python, JavaScript, C#, Swift, Kotlin, DartTargeting rulesYesPercentage rolloutsYesUser segmentsYesEnvironmentsnot statedAudit logYes 6/8spec lines stated 7.8
03 Featureflow Free planYesPaid fromnot statedSDK languagesJava, Node.js, .NET, Ruby, Go, JavaScript/TypeScript, React, React Native, iOS, Android, PythonTargeting rulesYesPercentage rolloutsYesUser segmentsYesEnvironmentsnot statedAudit logYes 6/8spec lines stated 7.7
04 ConfigCat Free planYesPaid fromnot statedSDK languagesJavaScript, 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 EngineTargeting rulesYesPercentage rolloutsYesUser segmentsYesEnvironments3Audit logYes 7/8spec lines stated 7.5
05 LaunchDarkly Experimentation Free planYesPaid fromnot statedSDK languagesnot statedTargeting rulesnot statedPercentage rolloutsnot statedUser segmentsnot statedEnvironmentsnot statedAudit lognot stated 1/8spec lines stated 7.5
06 feat Free planYesPaid fromnot statedSDK languagesJavaScript, Go, Python, Ruby, Cloudflare WorkersTargeting rulesYesPercentage rolloutsYesUser segmentsYesEnvironmentsnot statedAudit logYes 6/8spec lines stated 7.4
07 FeatBit Free planYesPaid fromnot statedSDK languagesJavaScript/TypeScript, React, React Native, Node.js, .NET, Java, Python, Ruby, Go, Rust, OpenFeature providersTargeting rulesYesPercentage rolloutsYesUser segmentsYesEnvironmentsnot statedAudit logYes 6/8spec lines stated 7.4
08 GrowthBook Free planYesPaid from40/user/moSDK languagesnot statedTargeting rulesnot statedPercentage rolloutsnot statedUser segmentsnot statedEnvironmentsnot statedAudit lognot stated 2/8spec lines stated 7.3
09 Vercel Free planYesPaid from20/user/moSDK languagesnot statedTargeting rulesnot statedPercentage rolloutsnot statedUser segmentsnot statedEnvironmentsnot statedAudit logYes 3/8spec lines stated 7.3
10 Bucketeer Free planYesPaid fromnot statedSDK languagesAndroid, iOS, Flutter, JavaScript, React, React Native, Go, Node.js, OpenFeatureTargeting rulesYesPercentage rolloutsYesUser segmentsYesEnvironmentsnot statedAudit logYes 6/8spec lines stated 7.2
11 DevCycle Free planYesPaid fromnot statedSDK languagesnot statedTargeting rulesnot statedPercentage rolloutsnot statedUser segmentsnot statedEnvironmentsnot statedAudit lognot stated 1/8spec lines stated 7.2
12 Statsig Free planYesPaid fromnot statedSDK languagesnot statedTargeting rulesnot statedPercentage rolloutsnot statedUser segmentsnot statedEnvironmentsnot statedAudit lognot stated 1/8spec lines stated 7.2
13 Rollgate Free planYesPaid fromnot statedSDK languagesReact, Vue, Angular, Svelte, Browser, Node.js, Go, Python, Java, .NET, React Native, FlutterTargeting rulesYesPercentage rolloutsYesUser segmentsYesEnvironmentsnot statedAudit logYes 6/8spec lines stated 7.1
14 Tggl Free planNoPaid fromnot statedSDK languagesAngular, .NET, Express.js, Java, JavaScript, Kotlin, NestJS, Next.js, Node.js, PHP, Python, React Native, React, Ruby on Rails, Ruby, Swift, TypeScript, VueTargeting rulesYesPercentage rolloutsYesUser segmentsYesEnvironmentsnot statedAudit logYes 6/8spec lines stated 7.1
15 CloudBees CI Free plannot statedPaid fromnot statedSDK languagesJava, Go, Python, Node.js, C, C++, .NET/C#, PHP, Ruby, JavaScript, Android, iOS, Objective-C, Swift, React NativeTargeting rulesYesPercentage rolloutsYesUser segmentsYesEnvironmentsnot statedAudit logYes 5/8spec lines stated 6.9
16 Featureflip Free planYesPaid fromnot statedSDK languagesnot statedTargeting rulesnot statedPercentage rolloutsnot statedUser segmentsnot statedEnvironmentsnot statedAudit lognot stated 1/8spec lines stated 6.7
17 Optimizely Configured Commerce Free planYesPaid fromnot statedSDK languagesAndroid, C#, Flutter, Go, Java, JavaScript, PHP, Python, React, React Native, Ruby, SwiftTargeting rulesYesPercentage rolloutsYesUser segmentsYesEnvironmentsnot statedAudit logYes 6/8spec lines stated 6.5
18 Optimizely Feature Management Free planYesPaid fromnot statedSDK languagesAndroid, C#, Flutter, Go, Java, JavaScript, PHP, Python, React, React Native, Ruby, SwiftTargeting rulesYesPercentage rolloutsYesUser segmentsYesEnvironmentsnot statedAudit logYes 6/8spec lines stated 6.4
19 Featurevisor Free planYesPaid fromnot statedSDK languagesJavaScript, Node.js, Browser, React, React Native, Go, Python, PHP, Ruby, Java, Swift, Next.jsTargeting rulesYesPercentage rolloutsYesUser segmentsYesEnvironmentsnot statedAudit lognot stated 5/8spec lines stated 6.1
20 FeatureHub Free planNoPaid from4.99/user/moSDK languagesJava, JavaScript, C#, Dart, Go, Python, Ruby, SwiftTargeting rulesYesPercentage rolloutsYesUser segmentsnot statedEnvironmentsnot statedAudit logYes 6/8spec lines stated 6.0
21 Zenmanage Free planYesPaid fromnot statedSDK languagesJavaScript/TypeScript, PHP, Laravel, Python, Go, .NETTargeting rulesYesPercentage rolloutsYesUser segmentsYesEnvironmentsnot statedAudit logYes 6/8spec lines stated 6.0
22 Togglely Free planYesPaid fromnot statedSDK languagesJavaScript, TypeScript, React, Svelte, Vue.jsTargeting rulesYesPercentage rolloutsYesUser segmentsYesEnvironmentsnot statedAudit logYes 6/8spec lines stated 5.9
23 TrustyGorilla Free planYesPaid fromnot statedSDK languagesJavaScript, TypeScript, Python, Java, Go, Kotlin, .NET, PHP, Ruby, SwiftTargeting rulesYesPercentage rolloutsYesUser segmentsYesEnvironmentsnot statedAudit logYes 6/8spec lines stated 5.9
24 FeatureProbe Free plannot statedPaid fromnot statedSDK languagesJava, Rust, Go, Python, Node.js, JavaScript, Android, iOS, Mini Program, React, FlutterTargeting rulesYesPercentage rolloutsYesUser segmentsYesEnvironmentsnot statedAudit lognot stated 4/8spec lines stated 5.7
25 GO Feature Flag Free planYesPaid fromnot statedSDK languagesJavaScript, TypeScript, React, Angular, Swift, Kotlin/Android, Go, Java, Kotlin, .NET, Python, Node.js, PHP, Ruby, Rust, NestJSTargeting rulesYesPercentage rolloutsYesUser segmentsYesEnvironmentsnot statedAudit lognot stated 5/8spec lines stated 5.6
Is your tool on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which feature flag software is ranked first on Specifiction?
Flagsmith is ranked #1 of 25 with a score of 8.2. Flipt is second and Featureflow third.
How many of these have a free plan?
15 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Tggl has the lowest first paid tier we found: €18/mo.
How is this list ranked?
Ranked on what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing. Paid placements never change a rank.
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