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Island vs Insular: catalog facts
Island	Insular
Best for: Android users who want to contain permission-hungry or constantly waking apps	Best for: Containing data-hungry Android apps without rooting the phone
Free The homepage does not mention any cost.	Free Free and open source under the Apache-2.0 licence.
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	Isolates apps from personal data using a work profile Freeze apps to block background activity All 4 strengths for Insular Isolates apps from personal data using a work profile Freeze apps to block background activity Run two accounts of one app side by side No root required
Device-bound data such as SMS and IMEI remains accessible Apps must be cloned into Island before they are isolated	Device-bound data such as SMS and IMEI is still accessible to isolated apps Android only
Downloadable app	Downloadable app
Not open source	Open source
License not stated	License: Apache-2.0
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 Insular secure-system.gitlab.io/Insular Catalog checked October 2, 2026

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