Keycloak vs Rublon Authenticator
| Keycloak | Rublon Authenticator | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | $2/mo |
| Open source | No | No |
| Platforms | Web, Windows, Linux | Android, iOS |
| Directory sync | Yes | — |
| Free plan | — | Yes |
Both are listed in Best Passkey Authentication Software. On The Geeks Club, Rublon Authenticator scores higher on our published basis.