iPhone Screenshots


Treble side of a B-System Chromatic Button Accordion

Using the built-in note guide, you will quickly learn the notes on the treble side of the B-System Chromatic Button Accordion (Bayan) and be playing songs in no time!

The instrument has extremely high-quality individually sampled notes from a real instrument and a very fast, responsive button board for playing melodies and chords.

For even more fun, plug your iPhone into an external amplified speaker.

Touch the "?" button to toggle the note names.

What’s New

Version 1.3

Faster playing and audio quality improvements.

Ratings and Reviews

3.5 out of 5
2 Ratings

2 Ratings


Quite nice

The keys are a little small, especially compared to a real accordion, and I would have liked a three-row option with bigger keys. You can’t really finger it like a real accordion because of the small keys, but it’s great for learning the basics and does exactly what it says with no bugs.

Catarrhalis ,


This is a basic fingering layout app to show you the right hand notes on a bayan (Russian) accordion. There are no tutorials or exercises.

App Privacy

The developer, Michael Eskin, has not provided details about its privacy practices and handling of data to Apple.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

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

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