【實用工具app】StudMeter|最夯免費app-綠色工廠好玩App

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!