Compare pricing, deployment, product fit, integrations, and capabilities side by side.
Website owners, marketers, and product teams that need free session replay and heatmaps
Important considerations: Clarity is vendor-hosted and uses cookies. Teams must review consent and data policies; it emphasizes qualitative behavior analysis rather than replacing a complete first-party analytics stack.
Developers and product teams who want analytics, replay, experimentation, and feature delivery in a single toolchain
Important considerations: Each PostHog product has separate usage metering. Self-hosting is open source but positioned for hobbyist use and requires substantial operational work.
| Attribute | Microsoft Clarity | PostHog |
|---|---|---|
| Overview | Microsoft's free behavior analytics service for websites and mobile apps, with always-on session recordings, click and scroll heatmaps, smart events, frustration signals, and Copilot-powered summaries. | A product and web analytics platform for developers that combines usage analytics, session replay, feature flags, experiments, surveys, and data tooling in one stack, with both cloud and self-hosted deployment options. |
| Pricing | Free forever with no traffic limits; unlimited heatmaps, websites, and team members are included | Cloud product analytics includes 1M events/month free, then starts at $0.00005 per event; other products have separate usage-based free tiers |
| Deployment | Vendor-hosted cloud | Self-hosted and hosted options |
| Best for | Website owners, marketers, and product teams that need free session replay and heatmaps | Developers and product teams who want analytics, replay, experimentation, and feature delivery in a single toolchain |
| Operator | Microsoft Corporation Independent public company | PostHog Inc. Independent private company |
| Company base | Redmond, United States · United States | Distributed organization |
| Organization scale | 228,000 employees · operator, as of 30 Jun 2025 | 215 team members · operator, as of 13 Aug 2026 |
| Recent direction | marketing attribution Recent official evidence shows a focus on marketing attribution. | AI-assisted analysis Recent official evidence shows a focus on AI-assisted analysis. |
| Key features |
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| Important considerations | Clarity is vendor-hosted and uses cookies. Teams must review consent and data policies; it emphasizes qualitative behavior analysis rather than replacing a complete first-party analytics stack. | Each PostHog product has separate usage metering. Self-hosting is open source but positioned for hobbyist use and requires substantial operational work. |
| Integrations | Google Analytics, Google Ads, WordPress, Shopify | Slack, Zapier, Segment |
| Fact check | We checked this information against official vendor sources on 2026-08-08. | We checked this information against official vendor sources on 2026-08-08. |
This matrix shows capabilities recorded in our catalog. Not listed means we have not confirmed the capability here. Check the linked vendor sources for plan, deployment, and usage limits.
| Attribute | Microsoft Clarity | PostHog |
|---|---|---|
| A/B testing | Not listed | Listed |
| AI insights | Listed | Listed |
| App analytics | Listed | Listed |
| Audience insights | Listed | Listed |
| Behavior analytics | Listed | Listed |
| CCPA compliant | Listed | Not listed |
| Cohort analysis | Not listed | Listed |
| Cross-device tracking | Listed | Not listed |
| Custom reports | Not listed | Listed |
| Data export | Listed | Listed |
| Data ownership | Not listed | Listed |
| E-commerce tracking | Not listed | Listed |
| Enterprise | Not listed | Listed |
| Error tracking | Not listed | Listed |
| Event tracking | Listed | Listed |
| Free plan | Listed | Listed |
| Funnels | Not listed | Listed |
| GDPR compliant | Listed | Listed |
| Goals | Listed | Listed |
| Heatmaps | Listed | Listed |
| Integrations | Listed | Listed |
| Open source | Not listed | Listed |
| Real-time data | Listed | Listed |
| Retention analytics | Not listed | Listed |
| Revenue tracking | Not listed | Listed |
| Self-hosted | Not listed | Listed |
| Session recordings | Listed | Listed |
| Surveys | Not listed | Listed |
| User segments | Listed | Listed |