Ticketing and shared-inbox platforms where support teams handle customer conversations, with AI built in.
285
companies on usedby use a tool of this category
285 companies on usedby use at least one of the 7 tools in this category with a public customer. Intercom leads with 114 companies. Then come DevRev (39) and Pylon (35). 2 companies run two of these tools or more. The most common pair is Intercom with Pylon (2 companies).Latest check Oct 14, 2026: 279 of 288 public lines checked. Counts are of companies on usedby, not of the whole market: we list a company when a public page shows its AI tools.
Companies with a public line for each tool. Job-post signals count and are drawn apart in the proof bar.
| # | Tool | Customers | Proof |
|---|---|---|---|
| 1 |  Intercom | 114 | |
| 2 |  DevRev | 39 | |
| 3 |  Pylon | 35 | |
| 4 |  Kustomer | 32 | |
| 5 |  Zendesk AI | 27 | |
| 6 |  Gorgias | 22 | |
| 7 |  Hiver | 19 |
2 companies run two of these tools or more. The most common pair is Intercom with Pylon, at 2 companies.
IntercomIntercom is used by 114 companies on usedby, 36 confirmed by a case study, a named quote or a press release. Customers include Atlassian, Intercom, and Frame.io. Who uses Intercom, Intercom vs Pylon
Customer page: intercom.com. Latest check of 114 of 114 lines: Oct 14, 2026.
DevRevDevRev is used by 39 companies on usedby, 31 confirmed by a case study, a named quote or a press release. Customers include Bajaj Finserv, Bill, and Aditya Birla Capital. Who uses DevRev
Customer page: devrev.ai. Latest check of 38 of 39 lines: Oct 9, 2026.
PylonPylon is used by 35 companies on usedby, 18 confirmed by a case study, a named quote or a press release. Customers include Ada, Builder.io, and Coalesce. Who uses Pylon, Intercom vs Pylon
Customer page: usepylon.com. Latest check of 35 of 35 lines: Oct 8, 2026.
KustomerKustomer is used by 32 companies on usedby, 23 confirmed by a case study, a named quote or a press release. Customers include Hopper, Aplazo, and Caraway. Who uses Kustomer
Customer page: kustomer.com. Latest check of 32 of 32 lines: Oct 9, 2026.
Companies first listed by a tool of this category in the last 90 days.
Side-by-side pages with the companies behind each tool.
Answers drawn from usedby data.
Intercom, used by 114 of the 285 companies on usedby in this category. Then come DevRev (39) and Pylon (35). Who uses Intercom.
Intercom: 114 companies on usedby, against 39 for DevRev.
Yes: 2 of the 285 companies on usedby in this category run two or more. The most common pair is Intercom with Pylon (2 companies).
By the number of companies with a public line for each tool, read from dated captures of vendor customer pages, case studies, press releases and job posts. Every proof level counts in the totals and the ranking, job-post signals included (the weakest proof, shown apart in the proof bar); ties go to the stronger proofs. usedby lists a company when a public page shows it, so these counts describe the companies on usedby, not the whole market.
