This app is a viewer for recipes in Nextcloud App.
The synchronisation can be done direct (with nextloud) or with the local storage.

Synchronize directly works with Single Sign On (SSO) per nextcloud client.
The local storage can synchronized in other ways, there is no dependency to a client.

First steps
After first installation (or with the current update from 2.x.x to 3.0.0) it shows the login screen.
If the nextcloud client is installed and you want to synchronize direct with the nextcloud