Metal Detector is an Amazing tool that uses magnetic sensor to find the metal surrounding you. The app also includes Compass, Digital Ruler and Protractor. Metal Detector app has four main features: Metal Detector: Turns your cell phone into a real metal detector. Detect precious metals using your own phone anywhere anytime. Earth's Magnetic Field ranges from 30 to 60 µT. Any Other measurement is an indication of unusual metal activity. As soon as you launch the app, Metal detector reading i