Metal (EMF) Detector is a very use full tool for detection of nearby electromagnetic fields. This app uses the phone's built-in magnetic sensor for detection. Now 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.
For fans of Ghost type television series this app is also for you as you can also detect the nearby EMF.
How to use this app?
Very simple, just move the app around and read the measurements, if the magnetic field readings go over a critical level, the phone will vibrate, meaning a ferromagnetic material is nearby.
If the readings aren't getting updated, make sure your phone is equipped with a magnetometer.
Metal (EMF) detector detects only iron metal and electromagnetic field.
The performance of this app solely depends upon the device's magnetic sensor