About this app
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, keyboard order) - Quiz settings (time limit, waiting time, number of questions, root note of question, chord of question, inversion form) - Customization (dark mode, theme color) - Simple design compliant with Material Design
Latest release
What’s New
v7.1 - Added an option to allow duplicate questions in random mode v7.0 - Added a preset feature to the quiz settings
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Sep 1, 2026 · 3:19 PM Free
Screenshots
