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This app version brings app startup improvements and heightened security on all supported Android versions.
Secure solution for passwordless authentication to Viessmann web applications
Viessmann Access app - The secured and simple solution for passwordless authentication to Viessmann web applications. Viessmann Access is the app for strong authentication to Viessmann web applications without entering a password or second factor. After setting up and registering your account, you receive a push notification when you log in, which is released by you using your secure PIN or, depending on the device, biometric security features such as facial recognition or fingerprint. And you are already logged in.