The Hidden Camera Detector app is a free tool that allows you to find and detect hidden cameras and devices. This tool is based on the magnetic field and can be used in different places and situations. It is a good idea to use this tool in places where you are not sure about the presence of cameras and other devices.

In order to use this tool, you need to make sure that you have your phone with you and that the phone is within the range of the magnetic field. You need to open the app and point it in the direction that you think there is a camera or other device.

After that, you need to wait for a while and then you will see a reading on the screen of your phone.