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