CUMUL.IO vs Fathom Analytics: Analytics Comparison (2026)

An independent side-by-side comparison of CUMUL.IO and Fathom Analytics 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.

Too early to call — probes still building data.
ChatGPT
CUMUL.IO
Tracking…
No data yet
Fathom Analytics
13 / 73 probes
18%
Average
Perplexity
CUMUL.IO
Tracking…
No data yet
Fathom Analytics
24 / 73 probes
33%
Good
Gemini
CUMUL.IO
Tracking…
No data yet
Fathom Analytics
24 / 73 probes
33%
Good
Claude
CUMUL.IO
Tracking…
No data yet
Fathom Analytics
13 / 74 probes
18%
Average
Copilot
CUMUL.IO
0 / 1 probes
0%
Invisible
Fathom AnalyticsLeads
12 / 74 probes
16%
Average
Scale:NoneLowFairStrongExcellent

Probes run hourly; each (engine × query) combo retests every ~3 days.

Pricing

CUMUL.IO
Starting price
—
Free tier
—
cumul.io ↗
Fathom Analytics
Starting price
$15/month
Free tier
No
usefathom.com ↗

Key Features

CUMUL.IO

Feature data is being indexed.

Fathom Analytics
  • ✓50 sites included
  • ✓100% data ownership
  • ✓No cookie banners required
  • ✓Unlimited email reports
  • ✓Full analytics history while subscribed
  • ✓Unlimited CSV data exports
  • ✓Privacy law compliance
  • ✓Built for high traffic

When to choose CUMUL.IO

Choose CUMUL.IO if your team prioritizes its strengths over Fathom Analytics's. Full guidance populates as CUMUL.IO's feature data is indexed.

When to choose Fathom Analytics

Choose Fathom Analytics if your team prioritizes its strengths over CUMUL.IO's. Full guidance populates as Fathom Analytics's feature data is indexed.

AI visibility profiles

Is one of these your brand?

Get the full report by email: every analytics buyer question we ask, which engines name you, and who gets named instead.

CUMUL.IO

cumul.io

Fathom Analytics

usefathom.com

Free check

Check any brand's AI visibility — free

We ask the buyer questions in this market across ChatGPT, Claude, Gemini, Perplexity and Copilot, and show you who gets named.

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