OpenOTP Authentication Server vs pi-authenticator
| OpenOTP Authentication Server | pi-authenticator | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | Yes | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | Android, api, iOS, Linux, macOS, self-hosted, Web, Windows | Android, iOS |
| Free plan | Yes | Yes |
| Code type | — | totp and hotp |
| Push approvals | — | Yes |
| Supported platforms | — | Android, iOS |
Both are listed in Best Authenticator Apps. On Samsung Mobile US Press, OpenOTP Authentication Server scores higher on our published basis.