Compare software

KeepOn vs Caff: catalog facts
KeepOn	Caff
Best for: Android users who want the screen to stay on temporarily	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
Restores the default screen timeout automatically No ads, tracking or Internet use All 3 strengths for KeepOn Restores the default screen timeout automatically No ads, tracking or Internet use Actively maintained	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
Single-purpose tool Android only	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 KeepOn github.com/twentynine78/KeepOn f-droid.org/packages/fr.twentynine.keepon 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.