Descriptions : NetGuard offers simple and advanced ways to block access to the Internet - no root required. Applications and addresses can be individually granted or denied access to your WLAN and / or your mobile connection.
Features :
+ Allow / block individual addresses per application
+ Show network speed graph in a status bar notification
+ Easy to use
+ No root required
+ 100% open source
+ No home call
+ No follow up or analysis
+ No advertising
+ Actively developed and supported
+ Android 5.1 and higher is supported
+ IPv4 / IPv6 TCP / UDP is supported
+ Tethering supported
+ Optionally allow when the screen is on
+ Optionally block when roaming
+ Optionally block system applications
+ Material design theme with light and dark theme
Required Android Versions : Lollipop [5.0–5.0.2] - Marshmallow [6.0 - 6.0.1] - Nougat [7.0 – 7.1.1] - Oreo [8.0-8.1]