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Mobile app · Utilities & files

Blocker

A component controller for Android applications.

  • Free, with trade-offs
  • Android
  • Open source

Overview

Blocker is a firewall, available on Android.

Features described in its F-Droid listing and in its GitHub repository: data import and export.

Overview written by LicitPro from the documentation published by the authors and the cited sources; we have not tried the resource ourselves.

Excerpts that establish this information
  • “Blocker is a component controller for Android applications that currently supports using PackageManager and Intent Firewall to manage the state of components.” — F-Droid, 10 November 2026
  • “Blocker can be seamlessly switched between these controllers, and for application rules, you can export and import them.” — GitHub, 10 November 2026
  • “Additionally, it is compatible with backup files generated by MyAndroidTools, and you can effortlessly convert them to Intent Firewall rules.” — F-Droid, 10 November 2026
  • “However, the pm tool requires root permission to run.” — F-Droid, 10 November 2026
  • “Each theme also supports dark mode.” — F-Droid, 10 November 2026

At a glance

Blocker is free, with trade-offs: it relies on a non-free online service.

Its licence (Apache-2.0) is a permissive open source licence: use, modification and redistribution are allowed, including in commercial projects.

Strengths

  • Open source code
  • No advertising
  • Commercial use allowed

Weaknesses

  • Flagged by F-Droid: relies on a non-free online service

Sources and checks

  • Facts collected from F-Droid (credit card, source code, publisher, licence, free status, platforms, ads, commercial use, version) —
  • Last technical check: 6 November 2026
  • Description from F-Droid — F-Droid (citation courte)

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