Convert.com vs FullStory

Side-by-side from the Top 11 rankings of The 11 Best A/B Testing Tools and The 11 Best Session Replay Tools. Last verified June 13, 2026.

The short answer

FullStory ranks higher on Top 11 (#1 vs #4) for Growth teams running experiments / Teams watching real user sessions and heatmaps. Best for its flawless playback and automatic event indexing, enabling deep, retroactive analysis.

At a glance

Convert.comFullStory
Top 11 rank#4 / The 11 Best A/B Testing Tools#1 / The 11 Best Session Replay Tools
Score (out of 9.4)8.59.3
Best forFast, privacy-first testingHigh-fidelity, proactive analytics
Pricing$$$ ($199 to $1,999/mo)$$$$ (Custom enterprise plans)
HQWalnut, USAAtlanta, USA
Founded20092014

Convert.com

A privacy-focused tool with excellent performance and transparent, flexible pricing.

www.convert.com

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

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

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