Auditoria.AI vs Zest: who uses which
Customers, public proof and the companies that use both.
On usedby, 18 companies use Auditoria.AI and 28 use Zest. No company is listed with both yet. Zest leads among the Banking & Mortgages companies on usedby that use either tool.Latest check Oct 7, 2026: 36 of 46 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 Auditoria.AI, Zest, or both
Every company with a public proof for at least one of the two tools.
18
use only Auditoria.AI
0
companies use both
28
use only Zest
18 companies use only Auditoria.AI, 28 use only Zest and 0 use both, out of the 46 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 2, 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.
Auditoria.AI
ZestPricing, 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.
Auditoria.AI
Most invoices were processed in under two minutes, with a 96% accuracy rate.
RingCentral
Vendor case study, auditoria.ai, published Jun 30, 2026
One headcount One Headcount added across 250% revenue growth.
Momentum Telecom
Vendor case study, auditoria.ai, published Jun 30, 2026
Zest
No reviewed story for Zest yet.
Questions about Auditoria.AI and Zest
Which is used more, Auditoria.AI or Zest?
Zest has more customers on usedby: 28 against 18 for Auditoria.AI.
Do companies use both Auditoria.AI and Zest?
usedby has not found a company with a confirmed or observed line on both Auditoria.AI and Zest yet.
Who uses Auditoria.AI?
18 companies on usedby, each with the public page that shows it. See who uses Auditoria.AI.
Who uses Zest?
28 companies on usedby, each with the public page that shows it. See who uses Zest.
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.