Nitrokey 3 vs Solo 2
| Nitrokey 3 | Solo 2 | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | Android, iOS, Linux, macOS, Windows | Android, iOS, Linux, macOS, Web, Windows |
| Free plan | No | No |
| Authentication standards | WebAuthn, CTAP2/FIDO2, CTAP1/FIDO U2F 1.2, HOTP RFC 4226, TOTP RFC 6238, HOTP verification | FIDO2, WebAuthn, U2F |
| NFC support | Yes | No |
| USB connector | usb-a | — |
| Device management | vendor app | none |
| Operating systems | Windows, macOS, Linux, BSD, Android, iOS | Windows, macOS, Linux, Android |
| Paid from | — | 34 one-time |
Both are listed in Best Security Keys. On Samsung Mobile US Press, Nitrokey 3 scores higher on our published basis.