ARK2FA vs Rublon Authenticator
| ARK2FA | Rublon Authenticator | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | $2/mo |
| Open source | No | No |
| Platforms | Web, Windows, Linux | Android, iOS |
| Free plan | No | Yes |
| Deployment | self_hosted | hybrid |
| Supported factors | SMS, OTP, TOTP, HOTP, authenticator apps | Mobile Push; TOTP passcode; FIDO2/U2F security key; FIDO2 passkey; QR Code; YubiKey OTP; Email Link; SMS Passcode; SMS Link; Phone Call; RFID |
| App integration methods | ADFS MFA adapter, RADIUS proxy, LDAP, configurable HTTP/SMPP gateway | native connectors and plugins; Rublon Authentication Proxy; Rublon Access Gateway; Rublon App Shield; Rublon Identity Bridge; REST API; SDKs |
| Adaptive access policies | — | Yes |
| Device trust controls | — | Yes |
Both are listed in Best Multi-Factor Authentication Software. On Inferse, Rublon Authenticator scores higher on our published basis.