OpenAuthenticator vs Proton Authenticator
| OpenAuthenticator | Proton Authenticator | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | Linux, macOS, Windows | Android, iOS, Linux, macOS, Windows |
| Code type | totp | totp |
| Supported platforms | windows, macos, linux | iOS, Android, macOS, Windows, Linux |
| Free plan | — | Yes |
| Encrypted backup | — | Yes |
| Multi-device sync | — | Yes |
Both are listed in Best Authenticator Apps. On Samsung Mobile US Press, Proton Authenticator scores higher on our published basis.