Compare software

Karma FirewallShizuWall
Free

Free and open source under Apache-2.0.

 Free

Free and open source under the GPL-3.0 licence.

Android Android
  • Blocks traffic by app
  • Does not require internet permission
  • Per-app network blocking without occupying the VPN slot
  • Works through Shizuku, local ADB or root
  • Android only
  • Requires Android 11 or later
  • Needs Shizuku, ADB setup or root access to work
Downloadable app Downloadable app
Open source Open source
License: Apache-2.0 License: GPL-3.0-only
Not stated if an account is needed No account needed
Not stated if it works offline Not stated if it works offline

Checked October 8, 2026

Checked October 2, 2026

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