Cresta vs Sierra: who uses which
Customers, public proof and the companies that use both.
On usedby, 18 companies use Cresta and 50 use Sierra. No company is listed with both yet. Sierra leads among the Fintech & Payments companies on usedby that use either tool.Latest check Oct 7, 2026: 68 of 68 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 Cresta, Sierra, or both
Every company with a public proof for at least one of the two tools.
18
use only Cresta
0
companies use both
50
use only Sierra
18 companies use only Cresta, 50 use only Sierra and 0 use both, out of the 68 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
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.
Cresta
SierraPricing, 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.
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
Sierra
Nearly 1,000 hours per month returned to exception handling and high-value work
RunBuggy
Vendor case study, sierra.ai, published Feb 3, 2026
Questions about Cresta and Sierra
Which is used more, Cresta or Sierra?
Sierra has more customers on usedby: 50 against 18 for Cresta.
Do companies use both Cresta and Sierra?
usedby has not found a company with a confirmed or observed line on both Cresta and Sierra yet.
Who uses Cresta?
18 companies on usedby, each with the public page that shows it. See who uses Cresta.
Who uses Sierra?
50 companies on usedby, each with the public page that shows it. See who uses Sierra.
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.