Auth0 Guardian vs Proton Authenticator

Auth0 Guardian

8.5 #21 in Authenticator apps

About Auth0 Guardian

Proton Authenticator

9.5 #3 in Authenticator apps

About Proton Authenticator
Auth0 GuardianProton Authenticator
Free planYesYes
Free trialNoNo
Paid from$35/moFree
Open sourceNoNo
PlatformsAndroid, iOSAndroid, iOS, Linux, macOS, Windows
Free planYesYes
Push approvalsYes—
Supported platformsiOS, AndroidiOS, Android, macOS, Windows, Linux
Code type—totp
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.