Feedzai vs Unit21: who uses which
Customers, public proof and the companies that use both.
On usedby, 21 companies use Feedzai and 40 use Unit21. 1 company uses both, including Jack Henry. Unit21 leads among the Fintech & Payments companies on usedby that use either tool.Latest check Oct 7, 2026: 61 of 61 public lines checked. Counts include every proof level, job-post signals included. Companies named on both have a confirmed or observed line on each side.
Who uses Feedzai, Unit21, or both
Every company with a public proof for at least one of the two tools.
20
use only Feedzai
1
company uses both
39
use only Unit21
20 companies use only Feedzai, 39 use only Unit21 and 1 uses both, out of the 60 companies on usedby that use at least one of them.
Where it lands
Newest customers
No new customer since tracking started on October 7, 2026.
Where it lands
Newest customers
No new customer since tracking started on October 7, 2026.
Who uses both
Companies with a confirmed or observed line on both tools.
| Company |
|---|
Jack Henry |
Side by side
Facts from our data and from each vendor's public pages. Each line says where it comes from.
Feedzai
Unit21What customers report
Results as the vendor or the customer published them, with the source and the date.
Feedzai

80% reduction in fraud losses
Ibercaja
Vendor case study, feedzai.com, published Feb 25, 2025

How Credibanco uses Feedzai
Credibanco
Vendor case study, feedzai.com, published Feb 25, 2025
Unit21

Audit-ready in 2 days rather than 2 weeks
Sila
Vendor case study, unit21.ai, captured Oct 7, 2026

each analyst now spends 50% less time on cases and filings
Metal Pay
Vendor case study, unit21.ai, captured Oct 7, 2026
Questions about Feedzai and Unit21
Which is used more, Feedzai or Unit21?
Unit21 has more customers on usedby: 40 against 21 for Feedzai.
Do companies use both Feedzai and Unit21?
Yes. 1 company uses both on usedby, including Jack Henry.
Who uses Feedzai?
21 companies on usedby, each with the public page that shows it. See who uses Feedzai.
Who uses Unit21?
40 companies on usedby, each with the public page that shows it. See who uses Unit21.
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 three proof levels: confirmed, observed or signal (a job post, the weakest). A company is named as using both tools when its lines on both are confirmed or observed.
