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"one" registration with smartphone

Open the app on your smartphone and follow the individual steps.

You will need these three things:

  • Your personal registration code (letter)
  • Your card
  • The "one" app installed on your smartphone


"one" app: cards under control

Managing cards, controlling expenses, shopping securely online and much more: The "one" app makes life easier. 

Install it now: 


1. Welcome to "one"

  • Open the "one" app and choose "Register".

2. Registration code

  • You have received a registration code by post (letter). Scan it in here or enter it manually.

3. Card number

  • Scan the card number in or enter it manually.

4. Mobile number

  • Now enter your mobile number.
  • Choose "Next".
  • You will receive an SMS with the verification code.

5. Security check by SMS

  • Enter the verification code from the SMS.

6. E-mail address

  • Enter your e-mail address.

7. Password

  • Choose a strong password.
    Important: The password must contain at least 8 characters. Use uppercase and lowercase letters, numbers and special characters. 
  • Re-enter the password below.

8. Security

  • How would you like to log into "one" in the future? Choose between biometric authentication and password. You can change your choice at any time in the app.

9. Registration successful

Congratulations! You have registered for "one".
Now you can take full advantage of this digital service – around the clock and anywhere in the world. 

Take a look around.

Important: You have received an e-mail to verify your e-mail address for "one". Please confirm your e-mail address.