Midistrum

Name: Midistrum
Author: Guy Sheffer

An Android MIDI instrument that strums chords in an omnichord or autoharp style.

By Guy Sheffer

Free Open sourceAndroid

Official websitegithub.com

F-Droidf-droid.org

Compare Midistrum with another product

Alternatives

MidandpadMidandpad turns an Android phone or tablet into a MIDI controller, while Midistrum focuses on strumming chords in an omnichord or autoharp style.
VMPK for AndroidVMPK for Android provides a virtual piano keyboard that generates MIDI events, replacing Midistrum's chord-strumming controller layout.
VMPKVirtual MIDI Piano Keyboard, an on-screen keyboard that sends and displays MIDI notes.
PaganAn Android music sequencer for jotting down tunes, arranging MIDI files, and playing soundfonts.
Chord Progression HelperAn Android app for writing chord progressions with simple drum beats and melodies to play along with.
TouchOSCTouchOSC is a paid, cross-platform touch surface for sending MIDI and OSC messages, with a layout editor for building custom controls.

See all alternatives

About Midistrum

Midistrum uses Android's native MIDI system to create an omnichord or autoharp-style strumming instrument. It sends MIDI to a synthesizer such as FluidSynth or to a computer over USB.

It does not generate sound itself. The project is maintained by Guy Sheffer and is free software under the GPL-3.0 license.

Strengths

Sends MIDI using Android's native MIDI system
Can send MIDI to a synth or a computer over USB

Limitations

Does not generate sound without a separate synthesizer

Details

Pricing: FreeFree and open source under the GPL-3.0 license.
License: GPL-3.0
Developer: Guy Sheffer
Platforms: Android
How it runs: Downloadable app
Best suited for: Android musicians who want an omnichord-style MIDI controller
Categories: Audio tools
Last verified: October 8, 2026
Added: October 8, 2026
Provenance: Selected from the F-Droid
Sources: github.com/guysoft/midistrum

Report a wrong fact or a dead link on this listing