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Compare allApp info
- Installs
- 10+
- Category
- Productivity
- Content rating
- Everyone
- Version
- 0.2.0
- Released
- Oct 3, 2026
- Last updated
- 13 Oct 2026
- In-app purchases
- No
- Contains ads
- Yes
- Promo video
- No
- Requires Android
- 8.0
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-Updated the Ui -Fix Bugs - Added hardware sensor diagnostics & Cupertino-styled guidance cards - Performance and stability enhancements - Updated privacy policy and ad network disclosures
Hidden camera detector for hotels & rentals: lens finder, EMF, Wi-Fi scan.
RoomGuard helps you check hotel rooms, vacation rentals, changing rooms, and other private spaces for hidden cameras. It combines a guided room sweep with lens detection, a magnetic-field (EMF) sensor, and a Wi-Fi network scan, plus checklists for the manual checks that matter most. Honest by design: no phone app can find every hidden camera. RoomGuard is a screening aid that tells you where to look, not a guarantee. 🔍 WHAT YOU CAN DO - Guided Room Sweep: a step-by-step routine for lighting, sensors, lens check, and manual inspection - Lens Finder: uses your camera flash to spot the glint of camera lenses - Infrared Check: look for the faint IR lights of night-vision cameras in a dark room - EMF Sensor: shows magnetic readings from your phone's sensor to flag electronics hidden in walls or objects - Wi-Fi Device Scan: lists devices on the same Wi-Fi network and flags makers known for security cameras - Room Checklists: bedroom, bathroom, living area, and changing-room checks, including smoke detectors, clocks, outlets, and the two-way mirror fingernail test - Learn: why false alarms happen and what to do if you find a suspicious device ✈ GREAT FOR Hotel stays, vacation rentals, business trips, gyms, changing rooms, and short-term accommodation. 🔒 YOUR PRIVACY - Scans run on your device. Camera frames are processed in memory and are never recorded or uploaded - No account needed - RoomGuard is free and supported by ads. Ad partners may use device identifiers as described in our privacy policy ⚠ GOOD TO KNOW - Cameras that are switched off, shielded, or only record to a memory card may not be detected - Metal objects, speakers, and wiring can trigger the EMF sensor - Treat results as clues, not proof - If you find a suspicious device, don't touch it. Leave the room and contact the property manager or local authorities PERMISSIONS - Camera: lens and infrared checks - Wi-Fi / network: device scan on your local network - Vibration: optional alerts Download RoomGuard and check your room before you settle in.