PostHog vs Google Analytics 4
Side-by-side from the Top 11 rankings of FullStory vs LogRocket vs Hotjar: 11 Best Session Replay Tools 2026 and VWO vs Optimizely vs Hotjar: 11 Best CRO Tools for Higher Conversions 2026. Last verified June 12, 2026.
The short answer
PostHog ranks higher on Top 11 (#7 vs #10) for Teams watching real user sessions and heatmaps / Growth and product teams improving website conversion rates. Best open-source platform with replay, analytics, and feature flags.
At a glance
| PostHog | Google Analytics 4 | |
|---|---|---|
| Top 11 rank | #7 / FullStory vs LogRocket vs Hotjar: 11 Best Session Replay Tools 2026 | #10 / VWO vs Optimizely vs Hotjar: 11 Best CRO Tools for Higher Conversions 2026 |
| Score (out of 9.4) | 8 | 7.4 |
| Best for | Open-source analytics suite | Free, integrated A/B testing |
| Pricing | $$ (Usage-based) | Free |
| HQ | San Francisco, USA | Mountain View, USA |
| Founded | 2020 | 2005 |
PostHog
Best open-source platform with replay, analytics, and feature flags.
posthog.comSee full entry in FullStory vs LogRocket vs Hotjar: 11 Best Session Replay Tools 2026
Google Analytics 4
A free and powerful entry point for teams already using Google's ecosystem.
marketingplatform.google.com/about/analytics/See full entry in VWO vs Optimizely vs Hotjar: 11 Best CRO Tools for Higher Conversions 2026
Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.