Compare software

Stims vs Coffee: catalog facts
Stims	Coffee
Best for: Android users who want selected apps to keep the screen on	Best for: Keeping an Android screen on temporarily with one tap
Free Free and open source under GPL-3.0.	Free Free and open source under the Apache 2.0 licence.
Android	Android
Keeps the display awake only for selected apps Designed to handle aggressive device power managers	Quick settings tile for one-tap toggling Leaves the system screen timeout unchanged All 3 strengths for Coffee Quick settings tile for one-tap toggling Leaves the system screen timeout unchanged Also available as an app button and shortcut
Requires Usage Access permission Samsung One UI requires display-over-other-apps permission	The quick settings tile needs Android 7 or higher Keeping the screen on drains the battery faster
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: Apache-2.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Offline features available
Official website Full listing and sources Sources for Stims github.com/acidburnmonkey/stims Catalog checked October 8, 2026	Official website Full listing and sources Sources for Coffee github.com/mueller-ma/Coffee f-droid.org/packages/com.github.muellerma.coffee Catalog checked October 2, 2026

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