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Screenshots

  • Music Check screenshot 1
  • Music Check screenshot 2
  • Music Check screenshot 3
  • Music Check screenshot 4

About Music Check

MusicCheck is more than a normal midi controller, with our unique Prism Composer you can systematically create or modify a melody in a 3-step process: 1. Specify chords allowed in your melody. 2. Choose a rhythmic pattern for your melody. 3. Select groups of notes you want to vary. MusicCheck runs through all possibilities, for example with 10 chords and 6 groups there are a million different possibilities!!!!!! We use a flexible prism coloured graph representation of all the different possibilities. You can further configure the possible variations by restricting groups to certain chords. Save and load Midi projects and extract the different chords with the Prism-Composer or connect your Midi Keyboard and record new songs. This mobile Midi-studio is able to load SF2 and DLS SoundFonts or you can start right away with some built-in instruments.

What’s new

Version 4.3 · Updated June 14, 2026

New design, removed Turntable feature.

Play today's Queens puzzle

One queen in every row, column and color. A free daily puzzle from Fiplay, same board for everyone. It plays right here, no download.

More Queens and other daily puzzles on Fiplay →

App privacy

The developer, Johannes Loeffler, reported these privacy practices to Apple.

Data Not Collected

The developer does not collect any data from this app.

Alternatives to Music Check

Looking for apps like Music Check? Here are 6 similar apps on the App Store. The highest rated is Callback Freeverb (5.0/5), and 5 of the 6 are free to download.

Music Check vs. alternatives
App Rating Price Last updated Compare
Music Check – Free June 14, 2026
MIDI Pro – Free Oct 8, 2026 Compare
Callback Freeverb 5.0 / 5 (1) Free Jun 4, 2026 Compare
JamKoo - Let's Perform Music! 4.4 / 5 (38) Free Nov 6, 2024 Compare
Isomorphic Keyboard 3.5 / 5 (4) Free Sep 9, 2024 Compare
M2DX 4.0 / 5 (4) Free Oct 8, 2026 Compare
iSymphonic Orchestra 3.8 / 5 (103) 9.99 USD Jan 19, 2026 Compare

Compare Music Check with the top alternatives: ratings, updates, ASO score and keyword gaps →