ARK2FA vs CryptoPhoto
| ARK2FA | CryptoPhoto | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | Web, Windows, Linux | Web, Windows, Linux, iOS, Android |
| Free plan | No | — |
| Deployment | self_hosted | hybrid |
| Supported factors | SMS, OTP, TOTP, HOTP, authenticator apps | photo matching; biometrics; passphrase; cryptographic token |
| App integration methods | ADFS MFA adapter, RADIUS proxy, LDAP, configurable HTTP/SMPP gateway | API; SDK/libraries; plugins; PAM module; virtual or physical appliances |
| Passwordless authentication | — | Yes |
Both are listed in Best Multi-Factor Authentication Software. On Freedom251, CryptoPhoto scores higher on our published basis.