LensGuard: Spy Camera Detector

Uk studio

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About this app

Worried someone could be watching you in a hotel room, Airbnb, changing room, or rental home? LensGuard turns your phone into a hidden camera detector and spy camera detector, using the sensors already built into your device — no extra hardware needed.

CAMERA HUNTER
Point your phone's camera to scan for lens reflections while LensGuard checks nearby Bluetooth signals at the same time, flagging unfamiliar devices by risk level and signal strength. This combined scan works as a camera finder and hidden camera finder for hotels, bedrooms, bathrooms, and changing rooms.

INFRARED CAMERA DETECTOR
Many hidden cameras use infrared LEDs for night vision that are invisible to the naked eye. LensGuard's infrared detector uses your camera sensor to reveal IR light sources that may indicate a hidden lens nearby.

MAGNETIC FIELD (EMF) DETECTOR
Wired cameras, hidden microphones, and tracking devices can give off small magnetic field anomalies. LensGuard's EMF detector monitors your phone's magnetometer and alerts you when unusual readings turn up near walls, outlets, smoke detectors, and furniture.

WI-FI & BLUETOOTH SCANNER
Many modern spy cameras connect over Wi-Fi or Bluetooth. LensGuard scans nearby networks and Bluetooth devices so you can spot unfamiliar or suspicious connections in the room.

EXTRA SENSOR TOOLKIT
LensGuard also includes a light sensor, proximity sensor, and accelerometer — handy general-purpose tools for checking your surroundings.
Built for travelers, renters, and anyone who values their privacy, LensGuard's sensor-based tools work fully offline, with a clean interface that needs no technical skill.
Disclaimer: LensGuard is a supportive tool designed to help you identify potential hidden cameras and suspicious devices. Detection accuracy depends on your phone's hardware, sensors, and surroundings, and the app does not guarantee detection of every device. Always pair app results with a manual physical inspection for best results.