Microsoft Clarity vs PostHog

Side-by-side from the Top 11 ranking of The 11 Best Session Replay Tools. Last verified June 12, 2026.

The short answer

Microsoft Clarity ranks higher on Top 11 (#5 vs #7) for Teams watching real user sessions and heatmaps. Unbeatable value as a completely free tool with unlimited sessions.

At a glance

Microsoft ClarityPostHog
Top 11 rank#5 / The 11 Best Session Replay Tools#7 / The 11 Best Session Replay Tools
Score (out of 9.4)8.48
Best forBest free session replayOpen-source analytics suite
Pricing$ (Free)$$ (Usage-based)
HQRedmond, USASan Francisco, USA
Founded20202020

Microsoft Clarity

Unbeatable value as a completely free tool with unlimited sessions.

clarity.microsoft.com

See full entry in The 11 Best Session Replay Tools

PostHog

Best open-source platform with replay, analytics, and feature flags.

posthog.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.