NetGuard

NetGuard

A simple way to block access to the internet per application

Marcel Bokhorst (M66B) DNS & Hosts Firewall Internet Network Analyzer Security VPN & Proxy

Screenshots

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Description

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 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:

  • 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 NetGuard 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.

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

If you like to test new features, you can participate in the test program

All required permissions are described here

Versions

Version Date Size Requires Android Download
2.335 current
1875bd846167fb83…
2026-05-24 2.7 MB API 22
2.334
c3151c9848c835ac…
2025-10-16 2.7 MB API 22
2.332
8d6c587884cf8a90…
2025-01-02 2.7 MB API 22

Permissions

What the app asks the system for. Android only grants sensitive access after you confirm it.

  • Network stateCheck whether and how the device is connected.
  • Phone stateDetect ongoing calls and read device information.
  • Wi-Fi stateRead information about the Wi-Fi connection.
  • Run at startupStart automatically after the device is switched on.
  • Prevent sleepingKeep the device from going to sleep.
  • In-app purchasesHandle purchases inside the app.
  • Internet accessSend and receive data over the internet.
  • VibrationControl the vibration alert.
Show 6 more permissions
  • Foreground serviceKeep running in the background, visible in the status bar.
  • NotificationsShow notifications.
  • FOREGROUND_SERVICE_SPECIAL_USE
  • Installed appsSee which apps are installed.
  • permission.ADMIN
  • netguard.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

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