Microsoft Clarity vs PostHog
The ultimate side-by-side head-to-head analysis for 2026.
Short answer
- Price: not directly comparable — Microsoft Clarity is free, PostHog is free tier available.
- How to start: Microsoft Clarity is free, PostHog is free tier available.
These lines are generated from the pricing we track, not from a paid placement. We do not publish a quality score, because we do not have one we can stand behind. They cannot tell you which tool fits your workflow — the sections below are there for that. How we score tools.
Microsoft Clarity
PostHog
Category
Marketing
Marketing
Base Price
Free
Free tier
Public API
No
Yes
Mobile app
No
No
Open source / self-hostable
No
Yes
SSO (SAML)
No
Yes
Choose Microsoft Clarity if:
Website Owners and UX Designers.
Choose PostHog if:
Product Managers, Developers, and Growth Teams.
Microsoft Clarity: pros & cons
- 100% Free: No hidden fees or traffic limits, ever.
- Instant Setup: Start recording and generating heatmaps within minutes of installation.
- Rage Click Detection: Automatically highlights where users are getting frustrated.
- Google Analytics Link: Syncs your recordings directly with your GA data for deep context.
- Basic Surveys: Lacks the deep user feedback and survey tools found in Hotjar.
- Reporting Limits: Analytical filters are powerful but less customizable than pro tools.
- Data Retention: Historical data is kept for a limited time compared to paid competitors.
PostHog: pros & cons
- All-in-One: Replaces 5-6 different tools (Mixpanel, Hotjar, LaunchDarkly, etc.).
- Open Source: You can self-host it to ensure total data privacy and control.
- Powerful Free Tier: Extremely generous free plan for startups just starting out.
- Developer First: Built with a modern API and great documentation for engineers.
- Complex UI: The sheer number of tools can make the dashboard feel cluttered.
- Learning Curve: Mastering advanced queries and funnel analysis takes effort.
- Self-Hosting: Managing a high-traffic PostHog instance yourself is a technical challenge.
Our verdict on Microsoft Clarity
The best free 'Hotjar alternative' on the market with no compromises on power.
Our verdict on PostHog
The best 'product-first' analytics tool for teams who want to build with data.