All tool categories
Tool Comparison

A/B Testing Tools

Platforms for running controlled experiments to measure the impact of product changes. From simple feature flags to AI-powered multi-armed bandits for continuous optimization.

ToolBest ForPricing
LaunchDarklyEnterprise teams needing robust feature management and targetingFree up to 1K MAU, then $10/seat/mo Pro
StatsigData-driven teams wanting automated experiment analysisFree up to 1M events, then $150/mo Pro
OptimizelyEnterprise teams running experiments across web and product surfacesCustom pricing (enterprise-focused)
GrowthBookTeams wanting open-source experimentation with Bayesian analysisFree (open-source), Cloud from $75/mo

Detailed Overview

LaunchDarkly

Visit site

Enterprise feature management platform with sophisticated targeting, progressive rollouts, and experimentation. The most mature feature flag platform available.

Pricing

Free up to 1K MAU, then $10/seat/mo Pro

Best for

Enterprise teams needing robust feature management and targeting

Statsig

Visit site

Feature flags and experimentation platform with built-in statistical rigor, auto-analysis, and warehouse-native metrics. Strong focus on measurement.

Pricing

Free up to 1M events, then $150/mo Pro

Best for

Data-driven teams wanting automated experiment analysis

Optimizely

Visit site

Full-stack experimentation platform for web, mobile, and server-side testing. AI-powered traffic allocation and multi-armed bandit support.

Pricing

Custom pricing (enterprise-focused)

Best for

Enterprise teams running experiments across web and product surfaces

GrowthBook

Visit site

Open-source feature flagging and experimentation platform with Bayesian statistics, warehouse-native metrics, and a self-hostable architecture.

Pricing

Free (open-source), Cloud from $75/mo

Best for

Teams wanting open-source experimentation with Bayesian analysis

Related Reading