On usedby, 35 companies use Ada and 18 use Cresta. No company is listed with both yet. Ada leads among the Fintech & Payments companies on usedby that use either tool.Latest check Oct 7, 2026: 45 of 53 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, Cresta, or both
Every company with a public proof for at least one of the two tools.
35
use only Ada
0
companies use both
18
use only Cresta
35 companies use only Ada, 18 use only Cresta and 0 use both, out of the 53 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 7, 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
CrestaPricing, security and data residency are not checked yet. usedby adds them from each vendor's public pages, with the date of the check.
What 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
Cresta

$2.37 million in additional annual revenue in the 2 years since deploying Cresta
Aptive
Vendor case study, cresta.com, captured Oct 7, 2026

In an Agent Assist pilot program, Vivint agents increased their closed won rate by nearly 7%.
Vivint
Vendor case study, cresta.com, captured Oct 7, 2026
Questions about Ada and Cresta
Which is used more, Ada or Cresta?
Ada has more customers on usedby: 35 against 18 for Cresta.
Do companies use both Ada and Cresta?
usedby has not found a company with a confirmed or observed line on both Ada and Cresta yet.
Who uses Ada?
35 companies on usedby, each with the public page that shows it. See who uses Ada.
Who uses Cresta?
18 companies on usedby, each with the public page that shows it. See who uses Cresta.
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.