NetGuard - no-root firewall2.20

NetGuard provides simple and advanced ways to block access to the internet no root required.
Applications and addresses can individually be allowed or denied access to your Wi-Fi and/or mobile connection. Blocking access to the internet can help:
reduce your data usage
save your battery
increase your privacy Features:
Simple to use
No root required
100% open source
No calling home
No tracking or analytics
No advertisements
Actively developed and supported
Android 4.0 and later supported
IPv4/IPv6 TCP/UDP supported
Tethering supported
Multiple device users supported
Optionally allow when screen on
Optionally block when roaming
Optionally block system applications
Optionally notify when an application accesses the internet
Optionally record network usage per application per address
Material design theme with light and dark theme There is no other no-root firewall offering all these features.
If you have a question or problem, you can send an e-mail to marcel+netguard-faircode.eu
If you like to help people less fluent in English, you can help translate NetGuard in your language: crowdin.com/project/netguard/
All required permissions are described here: Github.com/M66B/NetGuard
The source code is available here: Github.com/M66B/NetGuard