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To prevent a particular app from using the Internet, NetGuard/AFWall+/XPrivacy can be used.

PROBLEM: They shows all apps on the phone, even the apps whose source code does not even attempt to access the Internet anyway.

Is there another app to allow/disallow Internet access, that only shows apps that potentially will try (or have tried) to access the Internet?

Requirements:

  • Free & Open source
  • Show only apps that use the Internet
  • Easier than a full-featured firewall

May require root.

The implementation could look at the Android manifest permissions (especially if the app also targets Android 5), or reverse-engineer the APK looking for network-related Android API calls, or in the worst case keep a log of apps that have used the Internet recently.

  • Solutions requiring root are accepted? Must be free or can be paid (in the latter case, what price limit – and yes, some Open-Source apps have a price tag for the compiled APK)? Related question on our Android sister-site has some solutions as well: In Android 6, how to deny an app permission to access the network? – Izzy Apr 15 '16 at 5:35
  • @Izzy: Updated, thanks! Yes I came from that question actually. The open source options there list all apps. – Nicolas Raoul Apr 15 '16 at 6:26
  • Thanks! As you name Xprivacy – have you tried checking there "by permission"? IIRC that included only those apps requiring those, but I might remember wrongly. – Izzy Apr 15 '16 at 8:56

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