Fullstory vs Rill: who uses which
Customers, public proof and the companies that use both.
On usedby, 38 companies use Fullstory and 28 use Rill. 1 company uses both, including Deepgram. Fullstory leads among the Fintech & Payments companies on usedby that use either tool, Rill among the Advertising & AdTech companies.Latest check Nov 15, 2026: 66 of 66 public lines checked. Counts include every proof level, job-post signals included. A company on both tools counts at any proof level, and a job post on one side is marked as such.
Who uses Fullstory, Rill, or both
Every company with a public proof for at least one of the two tools.
37
listed for Fullstory only
1
company uses both
27
listed for Rill only
On usedby, 37 companies are listed for Fullstory only, 27 are listed for Rill only and 1 uses both, out of the 65 companies listed for at least one. An absent listing does not prove non-use.
Who uses both
Companies with a public line on both tools, at any proof level: the strongest proofs come first, and a job post is marked.
| Company | First public proof, Fullstory | First public proof, Rill |
|---|---|---|
 Deepgram | On or before Nov 2026 | On or before Nov 2026 |
By industry
Which tool the companies on usedby use, by industry. Shares of the companies on usedby that use Fullstory, Rill or both: a share of the companies on usedby, not of the market.
Listed for Fullstory onlyBothListed for Rill only
More common with Fullstory
- Fintech & Payments6 of the 6 Fintech & Payments companies on usedby that use either tool use Fullstory.
- Marketing Tech5 of the 6 Marketing Tech companies on usedby that use either tool use Fullstory.
More common with Rill
- Advertising & AdTech10 of the 10 Advertising & AdTech companies on usedby that use either tool use Rill.
Source: every usedby line, from confirmed proofs to job-post signals (the weakest proof level).
Side by side
Facts from our data and from each vendor's public pages. Each line says where it comes from.
Vendor facts checked: Fullstory, 0 of 4; Rill, 1 of 4. Missing facts remain unverified, not absent features.
FullstoryRillWhat customers report
Results as the vendor or the customer published them, with the source and the date.
Fullstory
No reviewed story for Fullstory yet.
Rill
the Rill implementation cost is 26% less than initially scoped
Emodo
Vendor case study, rilldata.com, captured Nov 13, 2026
Sales people are onboarded with less than 15 minutes of training
Liftoff
Vendor case study, rilldata.com, captured Nov 13, 2026
Questions about Fullstory and Rill
Which is used more, Fullstory or Rill?
Fullstory has more customers on usedby: 38 against 28 for Rill. Fullstory leads among the Fintech & Payments companies on usedby that use either tool, Rill among the Advertising & AdTech companies.
Do companies use both Fullstory and Rill?
Yes. 1 company uses both on usedby, including Deepgram.
Who uses Fullstory?
38 companies on usedby, each with the public page that shows it. See who uses Fullstory.
Who uses Rill?
28 companies on usedby, each with the public page that shows it. See who uses Rill.
How does usedby count customers?
A company counts when a public page shows it: a vendor's customer page, a case study, a press release or a job post, most saved with a dated capture. Every line is a customer, at one of four proof levels: confirmed, declared by the company itself, observed or signal (a job post, the weakest). A company counts as using both tools when it has a line on each, at any level; the list shows the strongest proofs first and marks job posts.