BazQux Reader supports Fever API now. This means that any mobile or desktop app with Fever support can work with BQ. Remark that it's not an official support. So if something goes wrong please ask me not the app developers. First of all you'll need to set your password again even if you have set it earlier. Fever uses different password hash algorithm and I'm not keeping passwords on my servers -- only hashes. So please go to Settings => Mobile login and set or change your password: (it can ...