Metal Detector

It is a simple metal sniffer app which uses magnetic field sensor.so you need a smart phone with built in emf magnetic sensor.Smart phone metal detector in your pocket!You can use this app anywhere.* How to Use:Just move it around electromagnetic fields.If the result value exceed a 200 μT(microtesla), the phone will vibrate.That means this app detect nearby ferromagnetic materials.Note:Some phones will give different sensor readings based on the hardware used by the manufacturer.