# C-System CBA Accordion Tutor — Treble Side of a C-System CBA

> Interactive guide to learning C-System CBA treble side notes and playing songs. (iPhone/iPad app by Michael Eskin.)

- Source: https://appshunter.io/ios/app/c-system-cba-accordion-tutor/id1037609930 (this page in markdown: same URL + `.md`)
- Developer: [Michael Eskin](https://appshunter.io/developer/342739369)
- Category: Music, Education
- Price: $1.99
- Rating: 2.00/5 from 2 App Store ratings · 3 written reviews indexed
- Age rating: 4+
- Requires: iOS 10.0 · 29 MB
- Languages: American English
- Released: 2015-09-15
- Data updated: 2026-09-07
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/c-system-cba-accordion-tutor/id1037609930/reviews.md

## What is C?

Using the built-in note guide, you will quickly learn the notes on the treble side of the C-System Chromatic Button Accordion 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.

## Key features

- Built-in note guide
- High-quality sampled notes
- Responsive button board
- Play melodies and chords
- Toggle note names

## Chart rankings

- #191 in Top Paid · Music (US App Store)

## Recent user reviews (3 of 3)

All indexed reviews: https://appshunter.io/ios/app/c-system-cba-accordion-tutor/id1037609930/reviews.md

### 1/5 — Waste of money

*2018-09-27*

The app too full of flaws.  Only a few notes are visible on the screen, not even 2 octaves are displayed.  There’s no scrolling to compensate for that.  No settings of any type, other than making the note labels visible or not.
I have the Hohner chromatic accordion app.  That works fine, but it’s limited to iPads, so I thought this would be comparable on the iPhone. I was very wrong.

### 3/5 — A Good Start

*2016-10-09*

I find this app to be handy for working out fingerings, chords and tunes. However, I do wish that it was more scalable to take better advantage of the larger surface area of the iPad. While it's listed as an iPhone app, I find that the keyboard is a bit too cramped on the iPhone. Also, it has a slight glitch in that certain chords will get stuck and keep playing, even when no longer touching the buttons.

### 1/5 — Bugged

*2016-06-12*

The sound is very good.
However it made my screen always zoomed.

How can I fix it? Help me.

## Frequently asked questions about C

### What is the C-System CBA Accordion Tutor?

The C-System CBA Accordion Tutor is an application designed to help users learn the notes on the treble side of a C-System Chromatic Button Accordion. It features individually sampled notes from a real instrument and a responsive button board.

### How does the C-System CBA Accordion Tutor help me learn?

It utilizes a built-in note guide to teach you the notes on the treble side of the instrument. You can toggle note names by touching the "?" button to assist your learning process.

### Can I play songs with the C-System CBA Accordion Tutor?

Yes, the app is designed to help you learn the notes quickly so you can start playing songs. It supports playing both melodies and chords.

### What devices is the C-System CBA Accordion Tutor compatible with?

The C-System CBA Accordion Tutor is compatible with iPhone and iPod devices. It is rated for ages 4 and up.

### How much does the C-System CBA Accordion Tutor cost?

The C-System CBA Accordion Tutor is a paid application, available for $1.99. There are no in-app purchases or advertisements.

### Does the C-System CBA Accordion Tutor have ads?

No, the C-System CBA Accordion Tutor is ad-free. Users can enjoy the learning experience without interruptions from advertisements.

### When was the C-System CBA Accordion Tutor last updated?

The latest version of the C-System CBA Accordion Tutor was released on July 24, 2018. It was originally released on September 15, 2015.

### What is the user feedback on the C-System CBA Accordion Tutor?

Based on the available data, the app has a rating of 2.0 stars from 2 ratings. This suggests a mixed or negative reception from its current user base.

## Version history (last 5 releases)

### 1.3 — 2018-07-24

This update from Apple will improve the functionality of this app. No new features are included.

Faster playing and audio quality improvements.

### 1.2.1 — 2017-10-27

Updates for iOS 11

Fixed App Store icon

### 1.2 — 2017-10-26

Update for iOS 11

### 1.1 — 2016-02-22

Bug fixes and performance improvements.

### 1.0.5 — 2015-09-15

No release notes.

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## More apps by Michael Eskin

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- [Canntina - MacCann Concertina](https://appshunter.io/ios/app/canntina-maccann-concertina/id360579654)

All apps by Michael Eskin: https://appshunter.io/developer/342739369

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-07.*