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Karma FirewallAFWall+
Free

Free and open source under Apache-2.0.

 Free

Free and open source under the GPL.

Android Android
  • Blocks traffic by app
  • Does not require internet permission
  • Kernel-level filtering, so it does not consume the VPN slot
  • Very granular rules per network type, including tethering and LAN
  • Android only
  • Requires root
  • Rule sets get complicated quickly and misconfiguration silently breaks apps
Downloadable app Downloadable app
Open source Open source
License: Apache-2.0 License: GPL-3.0
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked October 8, 2026

Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.