Stud Finder is a free iPhone app developed by Kishan Panchotiya in the Business & Productivity category. This app utilizes the magnetometer in your iPhone to measure the magnetic field and help you detect ferrous metal objects. Whether you are a DIY enthusiast or a professional contractor, Stud Finder can assist you in locating wood studs hidden behind walls, drywall, plasterboard, or stucco.

To ensure accurate readings, calibrate your device's magnetic sensor by moving it in a "Figure 8" pattern. Once calibrated, simply place your iPhone near any metal object, and Stud Finder will provide you with real-time feedback on the presence of ferrous metals. It is important to note that the app's performance may be impacted by the construction of the wall, the presence of a phone cover, or the material of the nails in the studs.

Please remember to remove any external case from your device before using Stud Finder for optimal results. With its intuitive interface and reliable functionality, Stud Finder is a handy tool for anyone in need of detecting ferrous metal objects.