Stud Finder - Metal Detector The app is used to find metal elements in the wall: nails, screws, wiring, etc. How it works: 1. Turn on the app 2. Place the back of your phone against a wall 3. Start moving the phone along the wall 4. If there is metal in the wall, you will hear a beep and the indicator on the phone will turn red It is important to know that the application may not work with older phone models Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula
