NetGuard

NetGuard is an internet security app that lets you control which apps can access the internet. It gives you both simple toggles and advanced options to restrict connectivity, and it works without root. You can allow or block access separately for Wi‑Fi and mobile data, and you can apply rules not only to apps but also to specific network addresses.

How Internet Blocking Helps You

When you block internet access for selected apps, you actively reduce unnecessary background activity. This approach can:

• cut down mobile data usage
• improve battery life
• strengthen privacy by limiting unwanted connections

Core Firewall Controls (No Root Needed)

NetGuard lets you manage internet permissions with clear per-app rules. You can deny or allow connectivity on Wi‑Fi, mobile data, or both, and you don’t need any special system permissions like root access to do it.

Privacy-First and Open Source Design

NetGuard focuses strongly on transparency and user trust. It stays fully open source and avoids common privacy risks:

• 100% open source codebase
• no “calling home” behavior
• no tracking or analytics
• no advertisements
• active development and ongoing support

Compatibility and Network Support

NetGuard supports modern Android networking features and runs on older devices too:

• works on Android 5.1 and later
• supports IPv4 and IPv6
• supports TCP and UDP
• supports tethering

Flexible Rule Options

NetGuard includes optional settings that help you tailor how strict the firewall becomes:

• allow network access only when the screen is on
• block connections automatically while roaming
• block system apps if you choose
• show notifications when an app accesses the internet
• record network usage per app and even per address
• material design interface with light and dark themes

PRO Features for Power Users

NetGuard offers a paid PRO tier for users who want deeper visibility and more granular control:

• log all outgoing traffic, then search and filter access attempts
• export PCAP files so you can analyze traffic on a computer
• allow or block specific addresses per app
• get alerts for newly installed apps and configure rules right from the notification
• view a network speed graph in a persistent status-bar notification
• unlock five additional themes in both light and dark variants

Why NetGuard Stands Out

NetGuard combines no-root operation with robust firewall controls, strong privacy principles, and advanced logging tools (in PRO). It aims to deliver a feature set that other no-root firewalls typically don’t match.