The app uses your phone's built-in magnetometer to detect the magnetic field of metal. As you move your phone, the app detects changes in the magnetic field. Gold Finder and Metal Detector, your ultimate companion for treasure hunting, use cutting-edge technology to find hidden treasures, artifacts, and precious metals. The app displays the magnetic field level (EMF) in µT (microtesla), equivalent to ten times mG (milligauss). It's a gold metal detector for Android, detecting iron, steel, plat