Calibre Companion is not an official app, but it is developed by one of the calibre developers and is recommended by the calibre development team. Calibre Companion and CCDemo are the only calibre apps that work with this method.
The rest of the guide will refer to the app as Calibre Companion, but the process is the same for both the free and paid versions.
Moon+ Reader FBReader AlReader Universal Book Reader
Click the ▼ button next to the “Add books” button and select whether to add books individually or by directory. Navigate to the book files or folders that you want to add.
If the app cannot connect to calibre on your computer, see the next section.
