13 Best feature flag tools

Discover software that lets you control releases, experiment safely, and drive continuous improvement.

Featured feature flag tools

  • Eppo Logo

    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.

  • FeatBit Logo

    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.

  • AB Tasty Logo

    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