Metal Detector is a simple application that measures the magnetic field. You can check the three axis data.
Key Features:
* Measures the magnetic field and show you the strength value
* Measures the strength of the three axis
* Show simple data
* Allows you to detect any metal
* You can set up an alarm (sound and vibration) and can configure the alarm level
Try it, it's completely free.
Now you can set up an alarm (sound & vibration). Alarm level is configurable