Sierra50 customers
Used by 50 companies on usedby. 1 also uses Duckie. Compare Duckie and Sierra
Source: sierra.ai, latest capture Oct 7, 2026.
Duckie alternatives
Tools of the same category that Duckie customers also use, ranked by shared customers: the companies named on both.
2 of the 18 Duckie customers on usedby also use another tool on this list. The tools most often used by the same companies are Sierra (1 shared, 50 customers in all), Pylon (1 shared, 35 customers in all), and Zendesk AI (1 shared, 27 customers in all).Latest check Oct 9, 2026: 614 of 627 public lines checked. Customer counts include every proof level, job-post signals included. Shared customers are counted on confirmed or observed lines on both tools.
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Duckie customers also use another tool on this list
Sierra shares the most companies with Duckie: 1 company uses both.
Ranked by shared customers
Tools of the same or a competing category, from another vendor, used by at least one company that also uses Duckie. A shared customer has a confirmed or observed line on both tools.
| # | Alternative | Shared with Duckie | Customers | Compare |
|---|---|---|---|---|
| 1 | Sierra | 1 | 50 | Compare Duckie vs Sierra |
| 2 |  PylonMostly DevTools & Infrastructure (10) | 1 | 35 | Compare Duckie vs Pylon |
| 3 |  Zendesk AI | 1 | 27 | Compare Duckie vs Zendesk AI |
Pylon35 customers
Used by 35 companies on usedby, 10 of them in DevTools & Infrastructure. 1 also uses Duckie. Compare Duckie and Pylon
Source: usepylon.com, latest capture Oct 8, 2026.
Zendesk AI27 customers
Used by 27 companies on usedby. 1 also uses Duckie. Compare Duckie and Zendesk AI
Source: zendesk.com, latest capture Oct 5, 2026.
Other Customer Service Automation tools on usedby
Same category, with public customers, but no company named with Duckie yet.
Switch signals
A company that left one vendor's page and appeared on another's.
No switch publishedA switch needs a departure from one vendor's page, seen on two checks in a row, and a dated arrival on another. usedby does not publish departures yet, so no switch shows here.
By industry
Which of these tools the companies on usedby use, by industry. Each row counts the companies of that industry on usedby that use at least one of these tools.
| Industry | Most used | Next | Companies |
|---|---|---|---|
| Fintech & Payments | Sierra21% |  Assembled18% | 39 companies |
| DevTools & Infrastructure | Pylon37% |  Intercom26% | 27 companies |
| Insurance & InsurTech |  Parloa35% |  Cognigy17% | 23 companies |
| Artificial Intelligence | Intercom41% | Pylon36% | 22 companies |
| Travel & Hospitality | Cognigy23% |  Decagon14% | 22 companies |
Read the first row as: among the 39 Fintech & Payments companies on usedby that use one of these tools, 21% use Sierra. Shares can add up to more than 100% because some companies use two tools.
Questions about Duckie alternatives
Which tool shares the most customers with Duckie?
Sierra: 1 company uses both on usedby. Sierra has 50 customers in all. See who uses Sierra.
Do Duckie customers use other tools too?
2 of the 18 Duckie customers on usedby also use another tool on this list. Sierra shares the most: 1.
Which of Duckie and its alternatives do Fintech & Payments companies on usedby use?
Among the 39 Fintech & Payments companies on usedby that use one of these tools, 21% use Sierra. Assembled comes next, with 18%.
Which of Duckie and its alternatives do DevTools & Infrastructure companies on usedby use?
Among the 27 DevTools & Infrastructure companies on usedby that use one of these tools, 37% use Pylon. Intercom comes next, with 26%.
How does usedby rank Duckie alternatives?
Only tools of the same or a competing category, from another vendor, count. They are ranked by shared customers: companies with a confirmed or observed line on both tools, from public pages, most with a dated capture. Tools with no shared customer are listed apart. Customer counts include every proof level, job-post signals included.