Warden: Firewall & Anti-Spy

Warden is a no-root privacy firewall and a counter-surveillance toolkit, all running locally on your phone. No
account, no analytics, no ads, no tracking. Your rules, your logs and your tracker history never leave the
phone.

━━━ CONTROL YOUR NETWORK ━━━
• Per-app firewall — block any app from the internet with one tap, with separate Wi-Fi and mobile-data rules
that switch automatically.
• Lockdown mode — default-deny: nothing gets online except the apps you explicitly allow.
• Live network log — see every domain your apps look up, allowed or blocked, labelled by app.
• Deep Inspection — a full connection monitor: watch every connection every app makes, by domain, in real time.
See who your apps really phone home to.
• Encrypted DNS (DoH) — send your lookups over encrypted DNS-over-HTTPS so your network can't read the domains
you visit.
• Privacy filtering — subscribe to community domain lists or add your own block/allow rules to stop trackers
and telemetry.

━━━ SEE WHO'S WATCHING YOU ━━━
• Surveillance Radar — scan nearby Bluetooth for hidden trackers and flag them: AirTag, Tile, SmartTag,
Chipolo, and ALPR/Flock camera gear.
• "Is it following me?" — Warden warns when an unknown tracker has stayed with you across multiple locations,
and keeps a private on-device history.
• Make it beep — force a detected AirTag/Find My tracker to play its sound so you can physically find it.
• Background guard — keeps watching with the app closed and alerts you if a tracker follows you.
• Ultrasonic beacon detector — listens for the inaudible ~18–20 kHz tones that ads and stores use to secretly
link your devices.

━━━ PRIVATE BY DESIGN ━━━
• On-device by design. No account, no analytics, no ads, no data collection.
• Honest about its limits — Warden tells you plainly what it can and can't do.
• Warden's only outbound traffic: your own DNS lookups to the resolver you choose (when privacy filtering is
on), anonymous blocklist downloads, and — only while you have the Surveillance Map open — anonymous camera
lookups on the public OpenStreetMap database near your position.

━━━ FREE, WITH AN OPTIONAL UPGRADE ━━━
• The firewall, lockdown, network logs, privacy filtering, tracker radar, anti-stalking alerts and the
ultrasonic detector are free forever. No ads. Personal-safety alerts are never behind a paywall.
• Warden+ (optional) adds the curated blocklist we recompile daily, Deep Inspection, tracker intelligence
(history, watched places) and the confirmed camera-map layer. $2.99/month or $24.99/year after a 7-day free
trial — or buy it once and keep it forever. Cancel anytime in Google Play.

Warden is a privacy and data-control tool. It lets you decide, per app, what may use the network, and helps you
spot devices that may be tracking you. It does not modify other apps.

Requires Android's on-device VPN permission to run the firewall (no traffic is routed off your phone), and
Bluetooth/Location to scan for nearby trackers.