Karma Firewall: FOSS application firewall for Android
1–3 of 3 posts
Re: Karma Firewall: FOSS application firewall for Android
#2Requires no Internet permission, works by running as a local VPN service, can block Internet access of any Android app (including system apps).
Karma Firewall can be installed from F-Droid (it's not on Google Play): https://f-droid.org/packages/net.stargw.fok/
Re: Karma Firewall: FOSS application firewall for Android
#3Been running it for ages, it's on this Android I'm using to send this and it's reliable.