FullStory vs AB Tasty

Side-by-side from the Top 11 rankings of The 11 Best Session Replay Tools and The 11 Best A/B Testing Tools. Last verified June 12, 2026.

The short answer

FullStory ranks higher on Top 11 (#1 vs #3) for Teams watching real user sessions and heatmaps / Growth teams running experiments. Best for its flawless playback and automatic event indexing, enabling deep, retroactive analysis.

At a glance

FullStoryAB Tasty
Top 11 rank#1 / The 11 Best Session Replay Tools#3 / The 11 Best A/B Testing Tools
Score (out of 9.4)9.38.8
Best forHigh-fidelity, proactive analyticsAI-powered personalization & testing
Pricing$$$$ (Custom enterprise plans)$$$$ (Custom plans)
HQAtlanta, USAParis, France
Founded20142009

FullStory

Best for its flawless playback and automatic event indexing, enabling deep, retroactive analysis.

www.fullstory.com

See full entry in The 11 Best Session Replay Tools

AB Tasty

A user-friendly platform excelling at AI-driven personalization for e-commerce and marketing.

www.abtasty.com

See full entry in The 11 Best A/B Testing Tools

Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.