CUMUL.IO vs FullStory: Analytics Comparison (2026)

An independent side-by-side comparison of CUMUL.IO and FullStory 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
FullStory
68 / 145 probes
47%
Good
Perplexity
CUMUL.IO
Tracking…
No data yet
FullStory
42 / 145 probes
29%
Average
Gemini
CUMUL.IO
Tracking…
No data yet
FullStory
46 / 145 probes
32%
Good
Claude
CUMUL.IO
Tracking…
No data yet
FullStory
71 / 145 probes
49%
Good
Copilot
CUMUL.IO
Tracking…
No data yet
FullStory
92 / 420 probes
22%
Average
Scale:NoneLowFairStrongExcellent

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

Pricing

CUMUL.IO
Starting price
—
Free tier
—
cumul.io ↗
FullStory
Starting price
—
Free tier
Yes
fullstory.com ↗

Key Features

CUMUL.IO

Feature data is being indexed.

FullStory
  • ✓30,000 monthly sessions
  • ✓12 months of analytics retention
  • ✓Session Replay
  • ✓Basic analytics
  • ✓Debugging tools
  • ✓Core capabilities for 10 users

When to choose CUMUL.IO

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

When to choose FullStory

Choose FullStory if your team prioritizes its strengths over CUMUL.IO's. Full guidance populates as FullStory'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

FullStory

fullstory.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.

More Analytics Comparisons