Compare software

Keysh vs Key Mapper: catalog facts
Keysh	Key Mapper
Best for: Android users who want scriptable shortcuts on the volume buttons	Best for: Android users who want to remap buttons or trigger actions with keys
Free Free and open source under the Apache 2.0 licence.	Free Free and open source.
Android	Android
Works with the screen off Fully scriptable through stdin and stdout All 3 strengths for Keysh Works with the screen off Fully scriptable through stdin and stdout Example scripts included in the repository	Remaps hardware and keyboard buttons on Android Triggers actions and macros from key presses All 3 strengths for Key Mapper Remaps hardware and keyboard buttons on Android Triggers actions and macros from key presses Open source
Requires writing shell scripts Limited to volume button events	Android only Some actions depend on Android permissions that need manual setup
Downloadable app	Downloadable app
Open source	Open source
License: Apache-2.0	License: GPL-3.0
Not stated if an account is needed	No account needed
Offline features available	Not stated if it works offline
Official website Full listing and sources Sources for Keysh github.com/hufrea/keysh f-droid.org/packages/io.github.hufrea.keysh Catalog checked October 2, 2026	Official website Full listing and sources Sources for Key Mapper github.com/keymapperorg/KeyMapper f-droid.org/packages/io.github.sds100.keymapper Catalog checked October 2, 2026

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