Note: This app is intended for entertainment purposes only and does not provide true Metal Detector functionality. This apps uses the magnetometer to measure the magnetic field when the iPhone is placed near feromagnetic metal objects. Use your iPhone as a metal detector! Detect metal objects with your iPhone. It is fun and super easy to use. Explore your surroundings. Surprise your friends. Feel yourself like a detective. This apps uses the magnetometer to measure the magnetic field when the iPhone is placed near feromagnetic metal objects like speakers, phones, keys, computers, stereos, coins, etc. Fun mode: Alternatively to detect metal objects you can turn a fun mode on when you use it on your friends. You can then easily trigger the alarm sound by covering the proximity sensor of your iPhone with your finger while checking your friends. Have fun! Key features: - Provides visual and audio feedback - Adjustable sensitivity level of alarm - Turn audio feedback off / on - Nice user interface - Very easy to use - Fun mode Tip: You may calibrate the detector by moving the iPhone in the form of an 8.