Compare software

Caff vs KeepOn: catalog facts
Caff	KeepOn
Best for: Android users who need to keep the display awake temporarily	Best for: Android users who want the screen to stay on temporarily
Free Free and open source under the BSD 2-Clause license.	Free Free and open source under the Apache 2.0 licence.
Android	Android
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	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
Requires Android 8 or later Android 12 and later may require disabling battery optimization	Single-purpose tool Android only
Downloadable app	Downloadable app
Open source	Open source
License: BSD-2-Clause	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 Caff github.com/goll72/caff Catalog checked October 8, 2026	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

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