On usedby, 35 companies use Ada and 21 use Duckle. No company is listed with both yet. Ada leads among the Fintech & Payments companies on usedby that use either tool.Latest check Oct 5, 2026: 44 of 56 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 Ada, Duckle, or both
Every company with a public proof for at least one of the two tools.
35
use only Ada
0
companies use both
21
use only Duckle
35 companies use only Ada, 21 use only Duckle and 0 use both, out of the 56 companies on usedby that use at least one of them.
Where it lands
Newest customers
We have not started tracking changes for Ada yet.
Where it lands
Newest customers
No new customer since tracking started on October 4, 2026.
Who uses both
Companies with a confirmed or observed line on both tools.
Side by side
Facts from our data and from each vendor's public pages. Each line says where it comes from.
Ada
DuckleWhat customers report
Results as the vendor or the customer published them, with the source and the date.
Ada

By 2026, that number had climbed to 77%
Dott
Vendor case study, ada.cx, published May 21, 2026

Melodie is involved in about 85% of Deezer's support contacts
Deezer
Vendor case study, ada.cx, published Aug 17, 2026
Duckle

66% reduction in support cost
Abbiamo
Vendor case study, duckie.ai, captured Oct 4, 2026
Questions about Ada and Duckle
Which is used more, Ada or Duckle?
Ada has more customers on usedby: 35 against 21 for Duckle.
Do companies use both Ada and Duckle?
usedby has not found a company with a confirmed or observed line on both Ada and Duckle yet.
Who uses Ada?
35 companies on usedby, each with the public page that shows it. See who uses Ada.
Who uses Duckle?
21 companies on usedby, each with the public page that shows it. See who uses Duckle.
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.