Fathom vs Amplitude: Analytics Comparison (2026)
Fathom is suitable for users prioritizing data ownership and privacy with a flat-rate, unlimited site model. Amplitude is suited for users who need a free tier, event-based tracking, and advanced features like Session Replay and AI Feedback.
AI Citation Scorecard
How often each is cited by major AI engines when buyers ask analytics questions. Last 90 days across ChatGPT, Perplexity, Gemini, Claude, and Copilot.
Probes run hourly; each (engine × query) combo retests every ~3 days.
Pricing
Key Features
- ✓Up to 50 sites included
- ✓Ecommerce/event tracking included
- ✓Easy integration with all CMSs/frameworks
- ✓API access
- ✓Forever data retention
- ✓100% data ownership
- ✓No cookie banners required
- ✓Unlimited email reports
- ✓10K MTUs, up to 2M events
- ✓Out-of-the-box analytics and templates
- ✓Session Replay
- ✓Unlimited feature flags
- ✓Web Experimentation
- ✓AI Feedback
- ✓Unlimited sources and destinations
- ✓Access to community and academy
When to choose Fathom
You need to track an unlimited number of websites and prioritize data ownership and privacy with features like 100% data ownership and no cookie banners required. It is also suitable if you require unlimited email reports and API access.
When to choose Amplitude
You need a free tier for up to 10K MTUs and 2M events, and advanced features such as Session Replay, Web Experimentation, and AI Feedback. It is also suitable if you benefit from out-of-the-box analytics and templates and require unlimited feature flags.