iPhone Screenshots


This app is for training on 'chord analysis' ('harmonic analysis'), which is very important for analyzing music. It will give a variety of questions with different keys and difficulties so that you can improve your skills on chord analysis efficiently.

This app's preview: https://www.youtube.com/watch?v=6IP70_0bbHw

=== Main Feature List ===
* Selecting a level of difficulty from Intro I, Intro II, Easy, Moderate, and Difficult.
* Questions with a variety of chords (diatonic chords and alternative chords).
* Support of inverted chords.
* Playing and arpeggiating a chord.
* Report section to show your performance report.

Additional settings can be purchased through In-App Purchases, giving access to the following functionality:
* Selecting a key from fifteen major and fifteen minor keys.
* Selecting a clef.
* Keeping a list of questions with flags so that they can be reviewed later.

What’s New

Version 1.7.3

- Supports iOS 15.

Ratings and Reviews

5.0 out of 5
9 Ratings

9 Ratings

App Privacy

The developer, Satoru Fukushima, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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