Did not help me – Free Metal Detector - Stud Finder and EMF Meter in One! Review

Although some of the reviews give high marks to this app, it didn't work for me. Unlike a true stud finder, it can only sense nails and not the stud itself. For some reason it found very few nails for me. Maybe it's better used for really finding metal and use as stud finder is secondary.
Review by RonHoef on Free Metal Detector - Stud Finder and EMF Meter in One!.