Metal Detector | Stud Finder is a free metal stud detector app is a smart tool to find the studs or metallic things around you which are not clearly visible to you. It works like a hand held real metal detector on your Android smart phones. Sometime metal detecting is a challenging thing during the plumbing or repairing the walls or fixing a water leakage. Metal finder is a very useful tool for your daily needs. It doesn't work as wood detector. It works as wall detector and detector de madera.