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Midistrum vs TouchOSC: catalog facts
Midistrum	TouchOSC
Best for: Android musicians who want an omnichord-style MIDI controller	Best for: Musicians and performers building custom touch controllers for MIDI or OSC gear
Free Free and open source under the GPL-3.0 license.	Paid Sold as an app; see the developer's site and app stores for current prices.
Android	Windows, macOS, Linux, Android, iOS
Sends MIDI using Android's native MIDI system Can send MIDI to a synth or a computer over USB	Runs on Windows, macOS, Linux, iOS and Android with the same features Supports MIDI and OSC over many simultaneous connections All 4 strengths for TouchOSC Runs on Windows, macOS, Linux, iOS and Android with the same features Supports MIDI and OSC over many simultaneous connections Built-in editor for complex control layouts Synchronized editing across networked devices
Does not generate sound without a separate synthesizer	Building custom layouts takes time to learn Some MIDI setups need the separate Bridge app
Downloadable app	Downloadable app
Open source	Not open source
License: GPL-3.0	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Sources for Midistrum github.com/guysoft/midistrum Catalog checked October 8, 2026	Official website Full listing and sources Sources for TouchOSC hexler.net/touchosc Catalog checked October 2, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.