Assembled39 customers
Used by 39 companies on usedby, 6 of them in Fintech & Payments. 3 also use Sierra. Compare Sierra and Assembled
Source: assembled.com, latest capture Oct 8, 2026.
14 of the 50 Sierra customers on usedby also use another tool on this list. The tools most often used by the same companies are Assembled (3 shared, 39 customers in all), CallMiner (3 shared, 39 customers in all), and Sanas (2 shared, 48 customers in all).Latest check Oct 8, 2026: 804 of 829 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.
14of 50
Sierra customers also use another tool on this list
Assembled shares the most companies with Sierra: 3 companies use 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 Sierra. A shared customer has a confirmed or observed line on both tools.
| # | Alternative | Shared with Sierra | Customers | Compare |
|---|---|---|---|---|
| 1 | AssembledMostly Fintech & Payments (6) | 3 | 39 | Compare Sierra vs Assembled |
| 2 |  CallMiner | 3 | 39 | Compare Sierra vs CallMiner |
| 3 |  SanasMostly Telecommunications (4) | 2 | 48 | Compare Sierra vs Sanas |
| 4 |  Decagon | 2 | 43 | Compare Sierra vs Decagon |
| 5 |  Sprinklr | 2 | 23 | Compare Sierra vs Sprinklr |
| 6 |  Level AI | 2 | 19 | Compare Sierra vs Level AI |
| 7 |  Ada | 1 | 35 | Compare Sierra vs Ada |
| 8 |  PylonMostly DevTools & Infrastructure (7) | 1 | 35 | Compare Sierra vs Pylon |
| 9 |  Crescendo | 1 | 31 | Compare Sierra vs Crescendo |
| 10 |  Zendesk AIMostly DevTools & Infrastructure (4) | 1 | 27 | Compare Sierra vs Zendesk AI |
CallMiner39 customers
Used by 39 companies on usedby. 3 also use Sierra. Compare Sierra and CallMiner
Source: callminer.com, latest capture Oct 8, 2026.
Sanas48 customers
Used by 48 companies on usedby, 4 of them in Telecommunications. 2 also use Sierra. Compare Sierra and Sanas
Source: sanas.ai, latest capture Oct 8, 2026.
Decagon43 customers
Used by 43 companies on usedby. 2 also use Sierra. Compare Sierra and Decagon
Source: decagon.ai, latest capture Oct 7, 2026.
Sprinklr23 customers
Used by 23 companies on usedby. 2 also use Sierra. Compare Sierra and Sprinklr
Source: sprinklr.com, latest capture Oct 8, 2026.
Level AI19 customers
Used by 19 companies on usedby. 2 also use Sierra. Compare Sierra and Level AI
Source: thelevel.ai, latest capture Oct 8, 2026.
Other Customer Service Automation tools on usedby
Same category, with public customers, but no company named with Sierra 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 |  DevRev21% | Ada18% | 33 companies |
| DevTools & Infrastructure | Pylon32% | Assembled14% | 22 companies |
| E-commerce & D2C |  Kustomer43% | Ada14% | 21 companies |
| Artificial Intelligence | Pylon38% |  Intercom31% | 16 companies |
| HR & Recruiting | Ada19% |  Forethought19% | 16 companies |
Read the first row as: among the 33 Fintech & Payments companies on usedby that use one of these tools, 21% use DevRev. Shares can add up to more than 100% because some companies use two tools.
Questions about Sierra alternatives
Which tool shares the most customers with Sierra?
Assembled: 3 companies use both on usedby. Assembled has 39 customers in all. See who uses Assembled.
Do Sierra customers use other tools too?
14 of the 50 Sierra customers on usedby also use another tool on this list. Assembled shares the most: 3.
Which of Sierra and its alternatives do Fintech & Payments companies on usedby use?
Among the 33 Fintech & Payments companies on usedby that use one of these tools, 21% use DevRev. Ada comes next, with 18%.
Which of Sierra and its alternatives do DevTools & Infrastructure companies on usedby use?
Among the 22 DevTools & Infrastructure companies on usedby that use one of these tools, 32% use Pylon. Assembled comes next, with 14%.
How does usedby rank Sierra 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.