Monte Carlo vs Rill: who uses which
Customers, public proof and the companies that use both.
On usedby, 69 companies use Monte Carlo and 27 use Rill. 1 company uses both, including Comcast. Monte Carlo leads among the Fintech & Payments companies on usedby that use either tool, Rill among the Advertising & AdTech companies.Latest check Nov 13, 2026: 96 of 96 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 Monte Carlo, Rill, or both
Every company with a public proof for at least one of the two tools.
68
listed for Monte Carlo only
1
company uses both
26
listed for Rill only
On usedby, 68 companies are listed for Monte Carlo only, 26 are listed for Rill only and 1 uses both, out of the 95 companies listed for at least one. An absent listing does not prove non-use.
Where it lands
Recently publicly listed customers
No new public customer listing since tracking started on October 7, 2026.
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, Monte Carlo |
|---|---|
 Comcast | On or before May 2026 |
By industry
Which tool the companies on usedby use, by industry. Shares of the companies on usedby that use Monte Carlo, Rill or both: a share of the companies on usedby, not of the market.
Listed for Monte Carlo onlyBothListed for Rill only
More common with Monte Carlo
- Fintech & Payments7 of the 7 Fintech & Payments companies on usedby that use either tool use Monte Carlo.
- Media & Publishing5 of the 5 Media & Publishing companies on usedby that use either tool use Monte Carlo.
More common with Rill
- Advertising & AdTech9 of the 11 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: Monte Carlo, 3 of 5; Rill, 0 of 5. Missing facts remain unverified, not absent features.
Monte CarloRillWhat customers report
Results as the vendor or the customer published them, with the source and the date.
Monte Carlo
No reviewed story for Monte Carlo 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 Monte Carlo and Rill
Which is used more, Monte Carlo or Rill?
Monte Carlo has more customers on usedby: 69 against 27 for Rill. Monte Carlo leads among the Fintech & Payments companies on usedby that use either tool, Rill among the Advertising & AdTech companies.
Do companies use both Monte Carlo and Rill?
Yes. 1 company uses both on usedby, including Comcast.
Who uses Monte Carlo?
69 companies on usedby, each with the public page that shows it. See who uses Monte Carlo.
Who uses Rill?
27 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.