A free app for Android, by Carlos Embuena.
Music Theory Test contains four main levels: children, basic, intermediate and advanced.
The first one is for the youngest, where we include 600 questions for children and babies.
It is aimed for children, beginners and the music, and contains music theory.
In this level, the user has to identify the note, using the musical scale.
The second one is for the beginners, where we include 1300 questions.
It is aimed for the beginners and contains chords.
The third one is for the intermediate users, where we include 300 questions with their respective sounds.
It is aimed for the intermediate users and contains chords.
The fourth one is for the advanced users, where we include 50 questions for each level.