Compare software

Device Watch vs Screen Time: catalog facts
Device Watch	Screen Time
Best for: Android users who want device and app usage statistics without any network access	Best for: Checking phone usage privately without a cloud service
Free Free and open source under GPL-3.0-or-later.	Free Free and open source with optional donations.
Android	Android
No internet permission, so usage data stays on the device Home-screen widgets plus per-app screen time, data and notification stats All 4 strengths for Device Watch No internet permission, so usage data stays on the device Home-screen widgets plus per-app screen time, data and notification stats Screensaver mode for charging or docked use Actively developed	Per-app and per-hour usage graphs No internet permission and no data collection All 3 strengths for Screen Time Per-app and per-hour usage graphs No internet permission and no data collection No ads
Android only Small project with no tagged releases on GitHub	Tracks usage only; no app blocking or limits mentioned Android only
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License: GPL-3.0-or-later
No account needed	No account needed
Offline features available	Offline features available
Official website Full listing and sources Sources for Device Watch github.com/jrs8205/Device-Watch f-droid.org/packages/org.jarsi.devicewatch Catalog checked October 2, 2026	Official website Full listing and sources Sources for Screen Time atharok.gitlab.io/site/projects/screen-time Catalog checked October 2, 2026

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