CitybusNWFB was downloaded and installed by over 1M users and its most recent stable update was on Oct 1, 2020. Advertisements are a part of the tool. Samsung and LG users like this application.
Download the latest .apk setup package of CitybusNWFB 3.1.1 free of charge and have a look at users' reviews on Droid Informer. You will need 9 MB of free disk space to set up the app that is designed for Android 4.1 and above.
The way users see it, the obvious plus of the app is a user-friendly interface. Users leave reviews saying that you can notice such drawbacks of this application as battery issues and a battery drain.