18.6
Flagsmith manages feature flags and remote configuration for web, mobile, and server-side applications.
Free planOpen sourceAndroidiOSWeb
Best Feature Flag Software in 2026
Flagsmith leads this chart of 27 (8.6/10, free plan). GrowthBook is next (8.6/10, free plan), and Unleash is the next highest-placed with a free plan (8.5/10). When you need to control who can access a feature and when, feature flag software offers different release controls to compare. Look at targeting rules, user segments, and percentage rollouts, then consider the environments and SDK languages that match your development setup. Approval workflows and audit logs can help you assess the oversight features listed for each product. Flagsmith, ConfigCat, and Flipt are…
28.6
GrowthBook is a warehouse-native platform for experimentation, feature flags, and product analytics.
Free planOpen sourceAndroidiOSWeb
38.5
Unleash is a feature management platform for changing software behavior and managing production releases without redeploying code.
Free planOpen sourceAndroidiOSWeb
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DevCycle
Free planAndroidiOSWebAPI8.1From $625 a month - 5
Statsig
Statsig is an experimentation and product platform for assigning experiments, analyzing results, and managing feature releases.
Free planAndroidiOSWebAPI8.1From $150 a month - 6
Bucketeer
Bucketeer is an open-source feature flag platform for self-hosted deployment.
Free planOpen sourceAndroidiOSWebAPI7.9Free plan - 7
feat
feat is a hosted feature-flag platform aimed at early engineering teams.
Free planAndroidiOSWebAPI7.9From $19 a month - 8
Featurevisor
Featurevisor is a free, Git-based tool for managing feature flags, experiments, and remote configuration.
Free planOpen sourceAndroidiOSWebAPI7.8Free plan - 9
Harness Feature Management & Experimentation
Free planAndroidiOSWebAPI7.7Free plan - 10
ConfigCat
ConfigCat is a hosted feature flag and configuration management service that lets teams control features after code has been deployed.
Free planAndroidiOSWebAPI7.4From $110 a month - 11
Featureflip
Featureflip provides feature flags for changing which functionality is active in a running application without deploying new code.
Free planAndroidiOSWebAPI7.4From $49 a month - 12
LaunchDarkly Experimentation
LaunchDarkly Experimentation helps teams measure how changes affect user behavior and use the results to inform what they ship.
Free planAndroidiOSWebAPI7.4$108.33 usage-based - 13
Featureflow
Featureflow is a feature-management platform for controlling when application features become available and who can use them.
Free planAndroidiOSWebAPI7.2From $99 a month - 14
FeatureHub
FeatureHub Cloud is a hosted runtime control plane for managing feature flags, configuration, and operational controls across environments.
Free planAndroidiOSWebAPI7.1$4.99 usage-based - 15
Rollgate
Rollgate is a feature-flag platform for engineering teams, with targeting, scheduled changes, gradual rollouts and rollback.
Free planAndroidiOSWebAPI7.1From €45 a month - 16
Flipt
Flipt is a feature flag platform for managing feature releases, with changes made in its interface recorded as Git commits for team review.
Free planWebAPILinuxmacOS7.0From $200 a month - 17
Vercel
Vercel is infrastructure for building, deploying, securing, observing, and scaling apps and agents.
Free planWebAPI7.0$20 usage-based - 18
FeatBit
FeatBit is an open-source feature flag management platform for controlling software releases, experiments, and self-hosted delivery.
Free planWebAPISelf-hosted6.7From $3,999 a year - 19
GO Feature Flag
GO Feature Flag is an open-source feature flag management system built on OpenFeature for deployment on infrastructure you control.
Free planAndroidiOSWebAPI6.7Free plan - 20
Tggl
Tggl is a cloud-based feature flag service for controlling features in applications, websites, and other services.
AndroidiOSWebAPI6.7From €18 a month - 21
Zenmanage
Zenmanage is a feature flag management platform for controlling software releases through web and API access.
Free planWebAPI6.7From $290 a year - 22
TrustyGorilla
TrustyGorilla is a self-hostable feature management platform for separating software deployments from releases.
Free planWebAPISelf-hosted6.6$101 usage-based - 23
FeatureProbe
FeatureProbe is an open-source feature-management service for controlling software releases and implementations.
AndroidiOSWebAPI6.2 - 24
Togglely
Togglely is an open-source, MIT-licensed platform for managing feature flags separately from code deployments.
Free planWebAPISelf-hosted5.9Free plan - 25
Optimizely Feature Management
AndroidiOSWeb5.5