Metal detector app for android is the best tool for finding stud, cable, bolt, screw, pipe, ac wire, and any metal thing through a metal sensor in walls, plaster, wood, and other places using metal detector using emf sensor. metal detector help to find wiring, stud, metal, pipes, or other metal things than stud finder and metal detector app are really good and helpful for you to detect de stud or any metal easily. with help of Free metal finder app you can find metal material around you easily.