13 Best feature flag tools
Discover software that lets you control releases, experiment safely, and drive continuous improvement.
Featured feature flag tools
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Eppo
Experimentation platform
Eppo is a data-warehouse-native experimentation platform that lets teams run statistically rigorous A/B tests, manage feature flags, and generate in-depth experiment reports directly on their existing data warehouse.
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FeatBit
Feature flags service
FeatBit is a feature flag and experimentation platform that lets teams control and rollout features safely, run A/B tests, target user segments, track feature usage in real time and export metrics to analytics tools, with options for hosted or self-hosted deployment.
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AB Tasty
Experience optimization platform
AB Tasty enables companies to optimize their websites and apps by running A/B and multivariate tests, managing feature flag rollouts, delivering personalized content and product recommendations, and analyzing user behavior for continuous improvement.
Selection criteria and key features
- Rollout flexibility:
Can it enable gradual rollouts and staged feature releases?
- Targeting rules:
Does it support detailed targeting for different user segments?
- A/B testing integration:
Can it integrate with A/B testing frameworks for experimental features?
- Flag control:
Does the tool allow granular control over feature toggles across environments?
- Real-time updates:
Does it update feature flags instantly for immediate impact?
- Integration:
Does it integrate seamlessly with CI/CD and development tools?
- Security and compliance:
Does it secure flag data and comply with relevant standards?
- Ease of use:
Is the interface intuitive for developers and product teams?
- Audit logging:
Does it maintain logs of flag changes and rollout history?
All feature flag tools


AB Tasty
Experience optimization platform


FeatBit
Feature flags service


Eppo
Experimentation platform


Tggl
Feature flag solution


Kameleoon
Feature experimentation


LaunchDarkly
Feature experimentation


Flipt
Feature flag solution


Posthog
Product analytics toolkit


Flagsmith
Feature flag management


Statsig
Experimentation platform


Optimizely
Experimentation platform


Unleash
Feature management platform


GrowthBook
Feature flag & experimentation platform