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Version: 4.0.7

Mobile application

SimpleIdServer offers a mobile application that is both free and open-source.


The application can be downloaded for Android here.


The mobile application utilizes SimpleIdServer's FIDO U2F endpoints to enroll a public key, while the private key is securely stored on the device.

During the authentication process, SimpleIdServer sends a challenge response to the device to verify the corresponding private key.

Follow these steps to enroll your mobile application:

  1. Go to the following URL to register a new user
  2. Enter a random username and click on the Generate QR Code button.

If you are using the mobile application, follow these steps:

  1. Open the mobile application.
  2. Select the Enroll tab.
  3. Click on the Scan QR Code button and scan the QR code displayed on the website.

Your mobile application is now successfully enrolled and ready to be used for user authentication.