Auth0 Guardian vs Google Cloud Identity

Auth0 Guardian is a mobile app for completing multi-factor authentication on iOS and Android. During login, users can approve a push notification on an enrolled device or enter a temporary one-time password. Guardian-generated OTPs normally remain valid for 30 seconds. The app supports multiple languages and dialects, follows the device language by default, and offers system, light, and dark themes. Users can protect it with a passcode, passphrase, or device biometrics. Organizations can use Guardian SDKs to build similar applications or add Guardian capabilities to their own apps. Push delivery can use AWS SNS, Firebase Cloud Messaging, or Apple Push Notification service. Auth0 MFA API endpoints can enforce MFA at token endpoints and manage enrolled factors. Guardian is available through the Apple App Store and Google Play Store. The free plan is available; paid plans start at 35 /mo, with a 22-day trial.

Google Cloud Identity centrally manages users and groups as an Identity as a Service solution. It can federate identities between Google and providers such as Active Directory and Microsoft Entra ID, and provides single sign-on to thousands of SaaS applications, including Salesforce, SAP SuccessFactors, and Google Workspace. MFA choices include push notifications, Google Authenticator, Titan Security Keys, security keys, backup codes, SMS, voice calls, passkeys, and other TOTP code generators. Its console manages Android, iOS, and Windows devices, with tools to enforce policies, wipe company data, deploy apps, and view reports. Automated provisioning can create, update, or delete user profile information in third-party cloud applications. Directory Sync extends Active Directory users to the cloud, while Secure LDAP supports traditional applications and infrastructure. Free includes 50 user licenses by default; additional licenses can be requested at no cost. Premium costs $6 a month on an annual fixed-term plan, or $7.20 a month on a flexible plan billed monthly. Premium also lists a 99.9% SLA and 24x7 chat and email support.