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The best A/B testing tools to use in 2026

Last updated
Feb 2, 2026
Based on
263 reviews
Products considered
89

A/B testing tools run controlled experiments—split tests—to compare features, paywalls, emails, or UX. They use flags, analytics, and metrics to guide product and growth decisions.

StatsigGrowthBookUnrevealedLaunchDarklyCoframe
Framer
Framer Launch websites with enterprise needs at startup speeds.

Top reviewed a/b testing tools

Top reviewed
suits developer-led teams needing self-hosted analytics, session replays, and feature flags to run robust A/B tests across web and backend. emphasizes fast, reliable experimentation with real-time analytics, targeting, and flag-driven rollouts. offers open-source flexibility and guardrails for safe releases, balancing simplicity with customizable experimentation—ideal for teams seeking control without sacrificing speed or clarity.
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