Sierra vs Tidio: who uses which
Customers, public proof and the companies that use both.
On usedby, 51 companies use Sierra and 50 use Tidio. 1 company uses both, including ADT. Sierra leads among the Fintech & Payments companies on usedby that use either tool, Tidio among the Fashion & Apparel companies.Latest check Oct 9, 2026: 99 of 101 public lines checked. Counts include every proof level, job-post signals included. A company on both tools counts at any proof level, and a job post on one side is marked as such.
Who uses Sierra, Tidio, or both
Every company with a public proof for at least one of the two tools.
50
use only Sierra
1
company uses both
49
use only Tidio
50 companies use only Sierra, 49 use only Tidio and 1 uses both, out of the 100 companies on usedby that use at least one of them.
Where it lands
Recently publicly listed customers
Who uses both
Companies with a public line on both tools, at any proof level: the strongest proofs come first, and a job post is marked.
| Company | First public proof, Sierra | First public proof, Tidio |
|---|---|---|
 ADT | On or before Nov 2024 | On or before Dec 2024 |
By industry
Which tool the companies on usedby use, by industry. Shares of the companies on usedby that use Sierra, Tidio or both: a share of the companies on usedby, not of the market.
Sierra onlyBothTidio only
More common with Sierra
- Fintech & Payments8 of the 12 Fintech & Payments companies on usedby that use either tool use Sierra.
- Retail4 of the 6 Retail companies on usedby that use either tool use Sierra.
More common with Tidio
- Fashion & Apparel8 of the 9 Fashion & Apparel companies on usedby that use either tool use Tidio.
- E-commerce & D2C5 of the 8 E-commerce & D2C companies on usedby that use either tool use Tidio.
- Beauty & Cosmetics7 of the 7 Beauty & Cosmetics companies on usedby that use either tool use Tidio.
Source: every usedby line, from confirmed proofs to job-post signals (the weakest proof level).
Side by side
Facts from our data and from each vendor's public pages. Each line says where it comes from.
SierraTidioWhat customers report
Results as the vendor or the customer published them, with the source and the date.
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
Tidio
36% Increase in Bot Engagement: Pre-chat bot engagement rates rose from 2.11% to 2.86%
VisaEnvoy
Vendor case study, tidio.com, published Apr 1, 2026
395.5 hours 395.5 Hours Saved: In just 30 days, the AI solution saved Tailfin’s team nearly 400 hours of support time
Tailfin
Vendor case study, tidio.com, published Apr 1, 2026
Questions about Sierra and Tidio
Which is used more, Sierra or Tidio?
Sierra has more customers on usedby: 51 against 50 for Tidio. Sierra leads among the Fintech & Payments companies on usedby that use either tool, Tidio among the Fashion & Apparel companies.
Do companies use both Sierra and Tidio?
Yes. 1 company uses both on usedby, including ADT.
Who uses Sierra?
51 companies on usedby, each with the public page that shows it. See who uses Sierra.
Who uses Tidio?
50 companies on usedby, each with the public page that shows it. See who uses Tidio.
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 counts as using both tools when it has a line on each, at any level; the list shows the strongest proofs first and marks job posts.