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Island vs App Manager: catalog facts
Island	App Manager
Best for: Android users who want to contain permission-hungry or constantly waking apps	Best for: Android power users who want fine control over installed apps
Free The homepage does not mention any cost.	Free Free to download and use.
Android	Android
Blocks access to contacts, photos and call logs even with permissions granted Freezes apps to stop their background behaviour All 4 strengths for Island Blocks access to contacts, photos and call logs even with permissions granted Freezes apps to stop their background behaviour Runs a second copy of an app with a different account No root required	Detailed view of installed apps and their components Freeze, disable and control apps All 3 strengths for App Manager Detailed view of installed apps and their components Freeze, disable and control apps Extra capabilities with root or ADB
Device-bound data such as SMS and IMEI remains accessible Apps must be cloned into Island before they are isolated	Android only Many advanced features need root or ADB
Downloadable app	Downloadable app
Not open source	Not open source
License not stated	License not stated
No account needed	No account needed
Not stated if it works offline	Offline features available
Official website Full listing and sources Sources for Island island.oasisfeng.com play.google.com/store/apps/details Catalog checked September 24, 2026	Official website Full listing and sources Sources for App Manager github.com/MuntashirAkon/AppManager f-droid.org/packages/io.github.muntashirakon.AppManager Catalog checked September 23, 2026

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