About Excelsecu Authenticator
Authentication app for your credentials stored in eSecu FIDO2 Security Keys
An authentication app that shows the 2-Step Verification codes and manages your FIDO and OTP credentials on your phone. It requires an eSecu FIDO2 security key to store the credentials and generate OTP codes.
Features
- Supports FIDO U2F, FIDO2, OATH HOTP, OATH TOTP
- Stronger hardware-based authentication
- Easy and quick setting
- Credentials stored inside the FIDO2 security key and cannot be extracted
- Secure your work and personal accounts
How to use it
- Adding OTP accounts: Scan the QR codes generated from the services you wish to protect. You may create accounts manually if needed.
- Signing in: When a one time password is needed, just tap your FIDO2 security key to the NFC-enabled phone to get your OTP code for that service. Plug-in the key to the phone's USB-C socket also works.
- Managing OTP and Passkey accounts in the key: simply navigate to the category page from the top-left, tap or plug-in the key and verify your key password if needed. You can review and delete accounts from the key afterwards.
Additional APP Information
Latest Version
1.3.9Uploaded by
Prince Addi
Requires Android
Android 5.0+
Category
Free Tools AppContent Rating
Everyone
Report
Flag as inappropriateWhat's New in the Latest Version 1.3.9
Last updated on Dec 19, 2025
Improved app compatibility and performance.








