NetWard 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 • Actively developed and supported • Android 5.0 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

PRO features:

• Log all outgoing traffic; search and filter access attempts; export PCAP files to analyze traffic • Allow/block individual addresses per application • New application notifications; configure NetWard directly from the notification • Display network speed graph in a status bar notification • Select from five additional themes in both light and dark version

There is no other no-root firewall offering all these features.