Both are strong choices. The short answer: pick PostHog if you are engineering-led teams that want it all. Pick Microsoft Clarity if you are seeing exactly how visitors use your site.
| PostHog | Microsoft Clarity | |
|---|---|---|
| In one line | Open-source product analytics, flags, replays and more. | Free heatmaps and session recordings, no traffic limits. |
| Pricing | Generous free tier; usage-based | Free |
| Free tier | Yes | Yes |
| Best for | Engineering-led teams that want it all | Seeing exactly how visitors use your site |
| Category | Analytics & Heatmaps | Analytics & Heatmaps |
| Website | posthog.com | clarity.microsoft.com |
PostHog details Microsoft Clarity details