Fathom vs Heap: Analytics Comparison (2026)
Fathom is suitable for users who prioritize data ownership, privacy, and straightforward pricing with extensive site support. Heap is suitable for users who need a free tier to start, and who may benefit from an AI assistant and unlimited enrichment sources.
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
- ✓Core analytics charts
- ✓Unlimited enrichment sources
- ✓6 months data history
- ✓SSO
When to choose Fathom
Fathom is suitable when users require up to 50 sites included, ecommerce/event tracking, API access, forever data retention, and unlimited email reports. Fathom also emphasizes 100% data ownership and no cookie banners.
When to choose Heap
Heap is suitable when users need a free tier, core analytics charts, unlimited enrichment sources, and an AI assistant. Heap provides 6 months of data history and SSO.