Chord quiz application to learn chord names and chord component notes.
You can also search chords by chord name or constituent notes.

Functions/Features
- Chord name quiz (select minor sevens etc. with buttons)
- Chord component note quiz (select notes on piano keyboard)
- Up to 357 chord questions (21 root notes x 17 chord types)
- Chord sound playback
- Chord search (search by chord name or component notes)
- Chord detail page (check chord type component notes inversion form)
- Quiz settings (time limit waiting time number of questions root note of question chord of question inversion form keyboard order)
- Customization (dark mode theme color)
- Simple design compliant with Material Design