* Our response via comments goes to update section of your gmail app* Detect Hidden spy camera using hidden camera detector app : Magnetometer feature need to have magnetic sensor in your phone, other wise this feature will not work. How to use this app. How to find camera ? Move app near to any device that you have doubt. For example - shower, flowerpot, lens looking part or changing room mirror. This app analyse the magnetic activity around the device. If magnetic activity seems similar to that of camera, this app will beep and raise alarm for you so that you can further investigate. You have to move app facing your sensor towards the object.To know sensor position of your phone, have any camera and move nearby top of your phone and bottom of your phone. When it beeps, you find the sensor position Infrared camera detector - This app has one more tool which is detect infrared lights.Just open the infrared detector and scan for white light that appear on screen but not visible by naked eye. Such white light indicate infrared light.It could be infrared camera. Your normal cam can also detect it but what we have is inbuilt feature with luminescence effect. What less, get some easy techniques that can save you from potential exposure to hidden camera. You can share the location with friends easily if you find the camera so that they can take precaution when they visit this place. If app crashes, for Infrared detector, please close other camera apps and try again. Do rate us and for any issues write to