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Coffee vs Caff: catalog facts
Coffee	Caff
Best for: Keeping an Android screen on temporarily with one tap	Best for: Android users who need to keep the display awake temporarily
Free Free and open source under the Apache 2.0 licence.	Free Free and open source under the BSD 2-Clause license.
Android	Android
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	Quick settings tile toggles screen-on mode Cycles through preset or custom durations All 3 strengths for Caff Quick settings tile toggles screen-on mode Cycles through preset or custom durations Includes an unlimited duration option
The quick settings tile needs Android 7 or higher Keeping the screen on drains the battery faster	Requires Android 8 or later Android 12 and later may require disabling battery optimization
Downloadable app	Downloadable app
Open source	Open source
License: Apache-2.0	License: BSD-2-Clause
No account needed	Not stated if an account is needed
Offline features available	Not stated if it works offline
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	Official website Full listing and sources Sources for Caff github.com/goll72/caff Catalog checked October 8, 2026

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