De1984

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8.0

android

AI summary

VPN-based firewall and package manager for Android. Blocks per-app network access over WiFi, mobile data, or roaming without requiring root; optional root unlocks system app management, force-stop, and uninstall. Zero tracking, no proprietary libraries, fully open source under MIT license. Recent fixes resolve VPN restart loops, work-profile connectivity issues, and background-allow behavior.

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About this app

De1984 is a firewall and package manager for Android devices.

FIREWALL FEATURES

VPN-based firewall (no root required) Block apps from accessing WiFi, Mobile Data, or Roaming Per-app network control with granular permissions PACKAGE MANAGEMENT (with root)

Enable/disable users of system apps Force stop running apps Uninstall system and user apps PRIVACY FIRST

Zero tracking or analytics No telemetry Local-only data storage 100% open source (MIT License) MODERN DESIGN

Material Design 3 Dark mode support Clean, intuitive UI Fast and responsive FLOSS COMPLIANCE

No proprietary libraries No Google Play Services No Firebase or analytics Buildable from source REQUIREMENTS

Android 8.0 (API 26) or higher Root access optional (required for package management features) VPN permission (for firewall functionality) PERMISSIONS

INTERNET: For firewall functionality (VPN-based) ACCESS_NETWORK_STATE: Monitor network connectivity BIND_VPN_SERVICE: Create local VPN for firewall QUERY_ALL_PACKAGES: View installed apps (optional) Root access: For advanced package management (optional)

📄 License：MIT

firewall package manager open source privacy vpn root

What's new

v2.7.8Sep 27, 2026

・Fixed: stop could keep failing after ConnectivityManager was used #107 ・"Allow in Background" is now "Allow while screen off" #105 ・One verdict per shared user ID; VPN Block All no longer cuts off Android System, Bluetooth, NFC ・Fixed: a removed app's rule could block its user ID ・Fixed: a VPN restart loop, and taking another VPN's slot unasked ・Fixed: no new-app notifications for the main profile ・Fixed: work-profile rows on ConnectivityManager; false or stale banners and notifications