Compare software

Hail vs Drowser: catalog facts
Hail	Drowser
Best for: Android users who want to stop unwanted or rarely used apps from running	Best for: Stopping background apps on a rooted Android phone
Free Free and open source.	Free Free and open source under GPL-3.0.
Android	Android
Freezes, hides or suspends apps without root Can also uninstall apps All 3 strengths for Hail Freezes, hides or suspends apps without root Can also uninstall apps Free and open source	Automatically stops chosen apps when screen off Simple, focused purpose All 3 strengths for Drowser Automatically stops chosen apps when screen off Simple, focused purpose Can reduce background battery drain
Android only Setup is more involved than a typical app	Requires root Force-stop can make apps misbehave All 3 limitations for Drowser Requires root Force-stop can make apps misbehave Android only
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: GPL-3.0
No account needed	No account needed
Offline features available	Offline features available
Official website Full listing and sources Sources for Hail github.com/aistra0528/Hail f-droid.org/packages/com.aistra.hail Catalog checked September 23, 2026	Official website Full listing and sources Sources for Drowser gitlab.com/juanitobananas/drowser play.google.com/store/apps/details f-droid.org/packages/com.jarsilio.android.drowser Catalog checked October 2, 2026

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