This app acts as a MIDI control surface for iPads, mimicking a chromatic button accordion. It allows users to control external hardware or software synthesizers and virtual instruments via CoreMIDI.
2.5
July 6, 2025
Bug fixes
Unfortunately, you apparently missed the part in the description that specifically says right at the beginning "this app make no sound". It's a MIDI controller for other synthesizer apps.
Hohner Chromatic MIDI is a CoreMIDI control surface app for iPad that emulates a chromatic button accordion. It does not produce sound itself but is used to control external MIDI synthesizers and virtual instruments.
No, the app does not produce any sound on its own. It functions solely as a MIDI control surface to trigger sounds from other compatible hardware or software synthesizers.
The app supports both B (Bayan) and C-systems for its button layout, offering flexibility for different playing styles and preferences.
Yes, you can choose between Bass/Major/Minor/7 or Counter Bass/Major/Minor configurations for the left side of the instrument.
The bass/chord side can be transposed up or down two semitones using a control at the bottom left. The treble side can be shifted up or down one octave, with the octave shift saved with the current preset.
No, Hohner Chromatic MIDI does not contain advertisements.
Hohner Chromatic MIDI is a paid app, priced at $9.99.
Hohner Chromatic MIDI is designed for the iPad and is compatible with supported iPad models.
