When you open the Preneo app for the first time, you will be taken to the login screen. Tap on ‘Hier registrieren’. This will take you to the registration screen.
You can register using the following methods:
Email & passwort
Enter your email address, choose a secure password and confirm by tapping ‘Weiter’.
Apple Sign-In
Tap on the ‘Sign in with Apple’ button, select your Apple ID and confirm with ‘Anmelden’.
Google Sign-In
Tap the ‘Google’ button and allow the app to share your login details with Google. Now log in with your Google account.
See also: How can I log in?