Fathom vs Heap: Analytics Comparison (2026)
Fathom is a paid analytics platform that starts at $15/month, offering extensive features like tracking for up to 50 sites, e-commerce tracking, API access, and unlimited data retention with 100% data ownership. Heap offers a free tier, including core analytics charts, unlimited enrichment sources, and six months of data history. Paid plans for Heap have custom pricing and may incur additional costs for advanced features. Fathom has no free tier and offers no discounts, while Heap has custom pricing for larger plans and support varies by plan.
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
You require a comprehensive analytics solution with a flat monthly fee, no cookie banners, and full data ownership, with features like tracking for up to 50 sites, API access, and unlimited data retention. You do not require a free tier or live demos.
When to choose Heap
You are a startup or seeking a free analytics solution that includes core analytics, unlimited enrichment sources, and six months of data history. You are comfortable with custom pricing, potential add-on costs for advanced features, and variable support based on your plan as you scale beyond the free tier.