Although the app can also be operated without an internet connection, authorization for internet access is required in order to retrieve updates or, if necessary, additional data from the server. --- This app is a PWA and is provided as a Wrapper/TWA (Chrome Browsers using a protocol based on Custom Tabs). You can find out more information at: https://en.wikipedia.org/wiki/Progressive_web_app or https://developer.chrome.com/docs/android/trusted-web-activity/ --- My apps are free of advertis