🔒 Hail – Android Privacy Firewall & Permissions Manager (Open Source) 🚀
Control app permissions, block trackers & leak-prevention — A must-have privacy tool for Android
Hail is an open-source privacy firewall for Android — by aistra0528 — designed to give you full control over app permissions, internet access, and data leaks. It’s ideal for anyone who cans’t trust OEMs or just wants more control over what apps can do in the background. (GitHub repo: github.com/aistra0528/Hail)
Whether you’re on a stock ROM or a custom one — rooted or not — Hail works to block trackers, manage permissions, and give you transparency on network calls from apps. It’s lightweight, minimal and privacy-first.
🔎 What Hail Offers — Privacy & Permission Control
- App permission manager – grant/revoke permissions individually (storage, camera, mic, location, etc.)
- Network firewall – block internet access per-app (WiFi, mobile data, background data)
- Tracker & ad blocker – prevent apps from sending data to trackers or ads servers
- Data leak prevention – monitor and restrict suspicious API calls or data access attempts
- Minimal & open-source – no bloat or unnecessary permissions; community-verifiable code
- Works root & non-root – via VPN mode or rooted firewall backend (for advanced users)
- Custom rules & profiles – setup app-wise or global privacy rules, enable/disable anytime
📥 Download & Installation
You can download the latest version from the official GitHub releases page:
🎥 Hail – Live Demo & Setup Walkthrough
Watch this video tutorial to see how Hail works in real-time — setup, firewall controls and privacy options:
⚠️ Things to Note Before Using Hail
- Apps relying heavily on network access (cloud sync, push notifications, streaming) may break if blocked — review permissions carefully.
- For full firewall mode, rooted phones give more control; VPN-based blocking works for non-root but is less granular.
- Always backup your data/settings before making extensive firewall or permission changes, especially on custom ROMs or modded systems.