DW Learn German is an app by Deutsche Welle (a TV channel in German for foreign countries). The app offers entire courses for beginners, A1 and B1. The learners accompany Nico, who is new to Germany, through his everyday life.
DW Learn German is well designed, with numerous videos and accompanying exercises. There is also a special section on language at work.
All courses – and more – can also be found on the Deutsche Welle website.
Tip: The app offers videos for learning the alphabet and a language level test.