SentryRF Personal Counter-Surveillance – Detect hidden trackers, rogue WiFi, fake towers, and spy devices

Summary: SentryRF transforms an Android phone into a counter-surveillance scanner using 14 detection engines to identify hidden trackers, fake WiFi networks, rogue cell towers, and spy devices. It operates entirely on-device, ensuring privacy by not sending data to the cloud.

What it does

SentryRF detects over 4,500 device types through follower detection, physical sweeps using EMF, ultrasonic, and infrared sensors, and sound location guidance. It identifies devices shadowing users, fake networks, and hidden cameras by leveraging built-in phone sensors without requiring accounts or cloud access.

Who it's for

The app is designed for individuals concerned about being tracked, followed, or monitored, providing a professional-grade counter-surveillance tool accessible via their phone.

Why it matters

It addresses the need for affordable, portable counter-surveillance by enabling users to detect threats without hiring professionals or using expensive equipment.