One of my best apps; actually my best one yet. Easy to use: just put the compass edge next to the wall you want to find the nail on. After sliding around you see the numbers pass 100. When you hit a nail directly, the graph and numbers freeze at a high number, usually in the 400s.
*High sensitivity
*A teslameter measures magnetism.
*Really works!
*Has been tested with a real stud-finder and found perfect!
Requires iOS 4.1 or later.
-You must have a compass on the device.
-Does NOT work with iPod touch or iPad.
Alerts coming soon!