AndroWall

AndroWall is a comprehensive Android firewall application that gives you granular control over your device's network traffic. Built with privacy and security in mind, it protects you from unwanted tracking, invasive advertisements, and potential security threats by filtering network connections at the system level using a VPN-based approach.

Features Per-app firewall — select which apps traffic is intercepted Blacklist mode — block matched domains, allow rest Whitelist mode — allow matched domains, block rest Rule types: Exact, Subdomain, Contains, Prefix, Suffix, Wildcard (*.example.com) Global rules (apply to all enabled apps) and per-app rules DNS activity log with search, blocked/allowed status Add rules directly from log entries Dark and light theme with persistent preference Persistent notification with Start/Stop/Close controls Notification cannot be swiped away (re-posts on dismissal) Privacy-focused: No telemetry or user data collection Open source: Full transparency with auditable code no root: no root is required