What is the best a/b testing tool in 2026?

Based on our analysis, Optimizely is the top-rated a/b testing tool with a score of 88/100. Other popular options include Amplitude, Mixpanel, Flagsmith.

How to compare a/b testing tools?

Compare a/b testing tools by evaluating: 1) Features and capabilities, 2) Pricing models (free, freemium, paid), 3) User reviews and ratings, 4) Integration options, 5) Ease of use. Use our comparison tool to see side-by-side analysis.

Compare A/B Testing Tools

38 tools · 45 possible comparisons

Find the perfect a/b testing tool by comparing features, pricing, and user reviews. Choose any two tools below to see a detailed side-by-side comparison.