None of the 12 Fyxer AI customers on usedby is listed with another tool on this list yet.Latest check Oct 7, 2026: 58 of 66 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.
No Fyxer AI customer on usedby is named with another tool of its category yet.
No company is listed with both Fyxer AI and one of these tools yet.
Ranked by shared customers
Tools of the same or a competing category, from another vendor, used by at least one company that also uses Fyxer AI. A shared customer has a confirmed or observed line on both tools.
Other AI Email Clients tools on usedby
Same category, with public customers, but no company named with Fyxer AI yet.
Superhuman32 customers
Shortwave22 customers
Switch signals
A company that left one vendor's page and appeared on another's.
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 |
|---|---|---|---|
| DevTools & Infrastructure | Superhuman67% | Shortwave33% | 9 companies |
| HR & Recruiting | Superhuman60% | Shortwave40% | 5 companies |
Read the first row as: among the 9 DevTools & Infrastructure companies on usedby that use one of these tools, 67% use Superhuman. Shares can add up to more than 100% because some companies use two tools.
Questions about Fyxer AI alternatives
Which tool shares the most customers with Fyxer AI?
usedby has not found a company named with both Fyxer AI and another tool of its category yet.
Do Fyxer AI customers use other tools too?
None of the 12 Fyxer AI customers on usedby is listed with another tool on this list yet.
Which of Fyxer AI and its alternatives do DevTools & Infrastructure companies on usedby use?
Among the 9 DevTools & Infrastructure companies on usedby that use one of these tools, 67% use Superhuman. Shortwave comes next, with 33%.
Which of Fyxer AI and its alternatives do HR & Recruiting companies on usedby use?
Among the 5 HR & Recruiting companies on usedby that use one of these tools, 60% use Superhuman. Shortwave comes next, with 40%.
How does usedby rank Fyxer AI 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.