Blocking access to the internet can help:

• reduce your data usage
• save your battery
• increase your privacy

NetGuard Features:

• Simple to use
• No root required
• 100% open source
• No calling home
• No tracking or analytics
• No advertisements
• Actively developed and supported
• Android 5.1 and later supported
• IPv4/IPv6 TCP/UDP supported
• Tethering 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:

• View traffic log – allows displaying and exporting1 a detailed outgoing IP traffic log for all applications, so you can exactly see what your device is doing at any moment
• Filter network traffic – allows selective blocking of network traffic per address per application, so you can block applications from calling home, etc while retaining internet access; enable/disable filtering mode using a settings tile (settings tiles are available from Android 7 Nougat)
• New application notifications – enables new application notifications from which you can directly block or allow an application
• Network speed graph notification – allows displaying the current network speed as a graph in a status bar notification (the top three apps are shown on Android 5 Lollipop or earlier)
• Appearance (theme, colors) – allows selecting from five additional application themes, all available in a light and dark variant
• Support development – support ongoing development, like adding new features, improving existing features, fixing bugs and adapting NetGuard to new Android versions

 

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

https://www.netguard.me/

WHAT’S NEW

• Added hint about download manager

• Added setting for domain name to use to validate internet connection

• Checking for private DNS in filtering mode

• Updated translations

          Latest Version :2.269      Get it on :    Requirements :5.1

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