Compare software

Device Watch vs Data Monitor: catalog facts
Device Watch	Data Monitor
Best for: Android users who want device and app usage statistics without any network access	Best for: Android users on a capped mobile data plan
Free Free and open source under GPL-3.0-or-later.	Free Free and open source under the GPL-3.0 licence.
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 data usage statistics Separate tracking of mobile and Wi-Fi data All 4 strengths for Data Monitor Per-app data usage statistics Separate tracking of mobile and Wi-Fi data Widgets and notification for quick checks Available on Google Play and GitHub
Android only Small project with no tagged releases on GitHub	Android only Releases are less frequent than in its early years
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License: GPL-3.0
No account needed	No account needed
Offline features available	Not stated if it works offline
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 Data Monitor github.com/itsdrnoob/DataMonitor f-droid.org/packages/com.drnoob.datamonitor Catalog checked October 2, 2026

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