Protect your accounts with time-based OTP codes and push notifications. Fast, secure, and entirely under your own control.
Two-factor authentication, reimagined
eXtreme Authenticator combines classic TOTP codes with modern push approvals. Choose your preferred method on every login.
OTP Codes (TOTP/HOTP)
Generate time-based one-time passwords compliant with RFC 6238. Works with any service that supports Google Authenticator.
Push Notifications
Receive a push notification on your phone and approve or deny a login attempt with a single tap. No code typing required.
End-to-end Security
All keys are stored encrypted on your device. Nothing is shared with external servers.
Works Offline
OTP codes are generated locally. No internet connection required for TOTP authentication.
Lightning Fast
Lightweight app with instant code display and an intuitive overview of all your accounts.
Open Standards
Built on TOTP and HOTP for maximum compatibility with existing services and platforms.
How does it work?
Install the app
Download eXtreme Authenticator from Google Play or install the APK manually.
Link your account
Scan the QR code from your service or enter the secret key manually.
Choose your method
Use an OTP code or wait for a push notification. You decide per session.
Securely logged in
Your account is protected with an extra verification step that blocks attackers.
Download eXtreme Authenticator
Available for Android. Free to download via Google Play or as a direct APK installation.
Google Play Store
Official version via the Play Store. Automatic updates included.
Download via Play StoreDirect APK Installation
Install manually without the Play Store. Suitable for enterprise environments and MDM.
Download APKReady to make the switch?
Contact us today and discover what eXtreme Hosting can do for your organisation.