There are different apps in Google Play. They are useful and useless. There are applications that seem useful, but do not really cope with the stated capabilities, such as translators for the cat language. There is another category of applications that surprisingly do work, but in fact are not so useful. The application Metal Detector I would take to the last category.
As you can understand from the name of the application, it is a metal detector. The comments in Google Play and your own instincts suggest that this is another nonsense, but the app actually works. According to the developers, it uses a magnetic sensor smartphone to detect magnetic fields and displays its induction in Microteslas. The data is displayed on the screen, and the app screen is just one. You can see the information on it and turn the sound indicator on and off.
Does the application work? Yes, it works. It had to be tested on the LG G2, and with the help of a steel scalpel I unmistakably identified the location of the sensor in this smartphone. It says that gold and silver under the ground you will not find, and you can find something that is very close, or something very large like a metal safe. Developers warn that on different smartphones sensors have different sensitivity, as well as they react better to ferromagnets and quite indifferent to aluminum, so do not even try.
It was nice to know that one of these kinds of applications actually performs the stated functions. But I could not find the application. If it will help you and you will use it.
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