Auth0 Guardian vs UNLOQ

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.

UNLOQ provides passwordless authentication for applications through a distributed authentication system. Users can sign in with push notifications, TOTP, email login, or biometric login. Developers can connect it through an API, code examples, a customizable login widget, or plugins, including a WordPress two-factor authentication plugin. Push requests can ask users to approve or deny defined actions such as financial transactions, document sharing, and workflow approvals. City Wall and IP Restriction controls can limit access by country, city, or IP address. Real-time analytics show login timing and location, preferred methods, and devices. Customers can customize logos, colors, and splash screens for mobile and web applications, and UNLOQ can generate iOS and Android app files. Integration is available on premise or in the cloud; custom mobile apps are limited to on-premise deployments. Platforms listed are Android, iOS, web, API, and self-hosted. The free tier covers 1–100 users at free, with unlimited authentications and authorisations. The 101–200 user tier is $19 a month.