Microsoft Clarity vs Postmark
The ultimate side-by-side head-to-head analysis for 2026.
Short answer
- Price: not directly comparable — Microsoft Clarity is free, Postmark is usage-based pricing.
- How to start: Microsoft Clarity is free, Postmark is usage-based pricing.
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 We do not publish a quality score, because we do not have one we can stand behind.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
Postmark
Category
Marketing
Marketing
Base Price
Free
Usage-based
Public API
No
Yes
Mobile app
No
No
Open source / self-hostable
No
No
SSO (SAML)
No
Yes
Choose Microsoft Clarity if:
Website Owners and UX Designers.
Choose Postmark if:
Teams where receipts, resets and alerts must arrive.
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.
Postmark: pros & cons
- Reputation for reliable inbox delivery
- Separate streams for transactional and broadcast
- Detailed delivery diagnostics
- Strict about what counts as transactional
- Costs more per message than bulk providers
- Not intended for marketing campaigns
Our verdict on Microsoft Clarity
The best free 'Hotjar alternative' on the market with no compromises on power.
Our verdict on Postmark
If delivery reliability matters more than price per message, this is the one to beat.