How To Sandbox Android Apps For Ultimate Data Privacy


Android already runs all the apps in a sandbox environment. However, the apps can still ask for permission to access different areas of the phone, including areas where your personal data resides – such as contacts, call logs, storage, etc. If you really need to use an app but don’t want to share your personal data with it, then you must properly isolate it.

In today’s post, I’ll show you how to sandbox apps in Android to fully isolate them and protect your personal data.

Use an Android sandbox app to isolate apps

To sandbox apps on Android, you’ll need a third-party sandbox app. Honestly, I only know a single app for this purpose and that is Island. It’s a multi-purpose cloning app that is usually used for using multiple app accounts on the same device (like two Facebook accounts). However, it can also be used to isolate apps and give them permission to access cloned apps with no data or even fake data.

Island is an unreleased app and is still in its beta stage. However, I have been using the app for a few months now and I haven’t noticed any glitches or instability. However, you should back up your device data before installing an unreleased app like Island.

Furthermore, If you are concerned about Island data collection, you can read Island’s privacy policy where they confirm that they never collect personal data from you.

How does the Island sandbox app work?

Before you learn how to use the app to sandbox apps, it’s important to know how Island works and what are its limitations. Island takes advantage of Android’s Managed profiles feature to create a cloned version of an app and isolates it (with no data inside). By default, it automatically clones your contacts, call logs, Google Play store, system apps, and file manager app where all your personal data resides. And the isolated apps are only capable of accessing data that is available in other isolated apps.

Although Island can help protect your personal information inside other phone apps, it can’t protect your information connected to device hardware. For example, you can’t use it to protect your location from an app (better stick with spoofing your location). Additionally, it also can’t protect hardware-bound information like IMEI number, Device ID, or MAC address.

Using Island to sandbox Android apps

Now that you know how Island works and what are its limitations, let’s see how to use it. Install Island and give it the required permissions to work. Afterward, tap on the “Set up” button to create a dedicated work profile.

Important note: Island requires “Device Administrator” permission to create work profiles and manage apps. This is the most elevated permission that gives full control of your phone to the Island app. Although Island comes from a reputable developer, if you don’t want to take any risks, then Island is definitely not the app for you.

Once inside the app, you’ll see a drop-down menu at the top-left corner with “Island” and “Mainland” options listed. Here Island is the section where all the isolated apps reside, and in the Mainland, all the regular apps in your phone are listed. To sandbox an app, go to the “Mainland” section and tap on the app to select it. Afterward, tap on the “+” (plus) icon at the bottom and then tap on “Install” to clone it.

sandbox android app using Island

Now move back to the “Island” again and the cloned app will be listed here. Just tap on the app to select it and then tap on the launch button next to it to launch it. The app will start from the beginning with no saved data, and you’ll also have to log in again and provide the required permissions. The permissions you’ll provide will be for the isolated version of phone apps that contain no personal data.

launch sandboxed app inside Island

If you want to remove an app from the sandbox, then tap on the app in the “Island” section to select it and then tap on the menu button at the bottom (three vertical dots). Select “Remove” and then confirm it to uninstall the isolated app and delete its generated data.

remove sandbox app from island

Uninstall Island

As Island uses Managed profiles to create work profiles, simply uninstalling Island won’t be enough. To fully uninstall Island, first, uninstall it the regular way and then go to “Settings” and tap on “Accounts”. Here tap on “Delete work profile” and then confirm the prompt to delete all the data.

delete island work profile after uninstallation

Ending words

I know you’ll hesitate as Island is still in the beta stage. However, be assured that the Island app has been in continuous development for a long time (over a year) and it’s very stable now. I haven’t faced any problems so far and it does a perfect job of sandboxing apps and protecting your data.

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