metal detector security

Detecting gold or heavy metals is among the goals sought by a group of people or a lot of people, and it is clear that it is not within everyone's reach due to the high price of gold detectors at And all the minerals I have, so our application came to solve this problem
. First, how to use the application:
Research techniques in the application are based on magnetic sensitivities for metal detection and the search for gold
Passing the metal near the mobile to show you signals through the application with sound, the closer the metal is to the phone, the stronger the signal
2. Application advantages:
• It helps you to use your phone for things that benefit you
• It can be relied upon for many years, which saves you the price of devices used for this purpose
• Complimentary
• Ease of use A great deal of effort was used in the traditional way