Heap vs Fathom: Analytics Comparison (2026)
An independent side-by-side comparison of Heap and Fathom for analytics buyers — pricing, features, integrations, and how often each is cited by major AI engines.
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.
Heap leads overall — 31% cited vs Fathom 7% across 108 probes.
ChatGPT
HeapLeads
9 / 12 probes
75%
ExcellentFathom
2 / 12 probes
17%
AveragePerplexity
Heap
0 / 12 probes
0%
InvisibleFathom
0 / 12 probes
0%
InvisibleGemini
Heap
0 / 12 probes
0%
InvisibleFathom
0 / 12 probes
0%
InvisibleClaude
HeapLeads
8 / 12 probes
67%
ExcellentFathom
2 / 12 probes
17%
AverageCopilot
Heap
0 / 6 probes
0%
InvisibleFathom
0 / 6 probes
0%
InvisibleScale:NoneLowFairStrongExcellent
Probes run hourly; each (engine × query) combo retests every ~3 days.
Pricing
Key Features
Heap
- ✓Core analytics charts
- ✓Unlimited enrichment sources
- ✓6 months data history
- ✓SSO
Fathom
- ✓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
When to choose Heap
Choose Heap if your team prioritizes its strengths over Fathom's. Full guidance populates as Heap's feature data is indexed.
When to choose Fathom
Choose Fathom if your team prioritizes its strengths over Heap's. Full guidance populates as Fathom's feature data is indexed.