NetGuard
NetGuard is a free, open-source privacy app for Android. A simple way to block access to the internet per application. It has 3,948 GitHub stars and is released under the GPL-3.0-only license, and you can install it from F-Droid and Google Play.
github.com/M66B/NetGuard (opens in a new tab)
Data as of from the GitHub API and the F-Droid index; description from the project's repository or F-Droid listing. Report an error
About NetGuard
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.
Privacy and F-Droid
F-Droid builds NetGuard from its published source code and flags anti-features such as ads, tracking or reliance on non-free services.
No anti-features flagged on the latest F-Droid build.
Screenshots
Screenshots from the app's F-Droid listing.
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Is NetGuard free and open source?
Yes. NetGuard's source code is public on GitHub under the GPL-3.0-only license, which is OSI-approved or FSF-free. F-Droid, which builds it from source, flags no anti-features such as ads or tracking on its latest build.
How do I install NetGuard?
You can install NetGuard from F-Droid (package eu.faircode.netguard) and from Google Play; the links are on this page. Its GitHub repository also publishes releases (latest: 2.337).
Is NetGuard still maintained?
The repository's most recent commit was on Aug 1, 2026. Its F-Droid listing was last updated on Aug 3, 2026. appsgit only lists apps whose repository had a commit in the last six months.