Stud Finder - Wall Scanner
Magnetometer Stud Detector
About
This utility app uses your iPhone's magnetometer to detect metal fasteners behind drywall, helping you locate stud lines. Simply sweep your phone across the wall to find screws and nails, then mark the spikes to identify the stud's position for mounting.
What's New in Stud Finder
2026.5
July 17, 2026
Bug fixes.
Developer apps
FAQ
How does Stud Finder work?
Stud Finder uses your iPhone's built-in magnetometer to detect changes in the magnetic field caused by metal screws or nails. By sweeping your phone across the wall and marking where the signal spikes, you can identify the location of studs.
What can Stud Finder NOT detect?
Stud Finder detects metal, not wood directly. It will not find studs if there are no screws or nails present. It also may not work well through thick plaster, concrete, or tile, and is not a substitute for professional stud finders for structural work.
Does Stud Finder have ads?
No, Stud Finder does not contain any advertisements. The app is designed to be free of ads, nag timers, and interruptions for a seamless user experience.
What devices does Stud Finder support?
Stud Finder is currently supported on iPhones. It utilizes the iPhone's magnetometer for its core functionality.
How accurate is Stud Finder?
The app has a 5.0-star rating from 2 users, indicating high satisfaction. Its accuracy depends on the presence of metal fasteners and the thickness of the wall material.
When was Stud Finder last updated?
The latest version of Stud Finder was released on 2026-06-25, indicating recent development and maintenance by the developer.
Is Stud Finder suitable for beginners?
Yes, the app is designed for ease of use, with simple instructions to sweep the phone and mark signal spikes. It's ideal for basic mounting tasks like hanging pictures or shelves.
Does Stud Finder require an account?
No, Stud Finder does not require an account. It prioritizes user privacy, with no tracking and no data leaving your phone.