Duo Mobile vs ZITADEL
| Duo Mobile | ZITADEL | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | Yes | No |
| Paid from | $3/mo | — |
| Open source | No | No |
| Platforms | Android, iOS | Web, Linux, macOS |
| Free plan | Yes | Yes |
| Paid from | 3 /user/mo | — |
| Directory sync | — | Yes |
Both are listed in Best Passkey Authentication Software. On Samsung Mobile US Press, Duo Mobile scores higher on our published basis.