Intercom vs Sierra: who uses which
Customers, public proof and the companies that use both.
On usedby, 112 companies use Intercom and 50 use Sierra. No company is listed with both yet. Intercom leads among the Artificial Intelligence companies on usedby that use either tool, Sierra among the Fintech & Payments companies.Latest check Oct 7, 2026: 162 of 162 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 Intercom, Sierra, or both
Every company with a public proof for at least one of the two tools.
112
use only Intercom
0
companies use both
50
use only Sierra
112 companies use only Intercom, 50 use only Sierra and 0 use both, out of the 162 companies on usedby that use at least one of them.
Where it lands
Newest customers
Where it lands
Newest customers
Who uses both
Companies with a confirmed or observed line on both tools.
By industry
Which tool the companies on usedby use, by industry. Shares of the companies on usedby that use Intercom, Sierra or both: a share of the companies on usedby, not of the market.
Intercom onlyBothSierra only
More common with Intercom
- Artificial Intelligence5 of the 5 Artificial Intelligence companies on usedby that use either tool use Intercom.
- DevTools & Infrastructure3 of the 5 DevTools & Infrastructure companies on usedby that use either tool use Intercom.
More common with Sierra
- Fintech & Payments5 of the 8 Fintech & Payments companies on usedby that use either tool use Sierra.
Source: confirmed and observed usedby lines. Job-post signals, the weakest proof level, are left out of these shares.
Side by side
Facts from our data and from each vendor's public pages. Each line says where it comes from.
IntercomSierraWhat customers report
Results as the vendor or the customer published them, with the source and the date.
Intercom
Inter has a first response time of less than one minute
Intercom
Vendor case study, intercom.com, captured Oct 5, 2026
the team’s average first response time through Intercom is under one minute
Living Spaces
Vendor case study, intercom.com, captured Oct 5, 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 Intercom and Sierra
Which is used more, Intercom or Sierra?
Intercom has more customers on usedby: 112 against 50 for Sierra. Intercom leads among the Artificial Intelligence companies on usedby that use either tool, Sierra among the Fintech & Payments companies.
Do companies use both Intercom and Sierra?
usedby has not found a company with a confirmed or observed line on both Intercom and Sierra yet.
Who uses Intercom?
112 companies on usedby, each with the public page that shows it. See who uses Intercom.
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.