Stud Finder: Metal Detection
Wall Detector & Magnet Scanner
About
This tool transforms your iPhone into a wall scanner to detect metal objects like screws, nails, and pipes before drilling. It uses the device's magnetometer to measure magnetic field changes, providing accurate readings for safer home improvement projects.
What's New in Stud Finder
1.0
July 29, 2026
Subscription plans
Pro — Annual
Full Pro access, billed yearly.
In-App Purchases
$5.99
Pro — Lifetime
Unlock every Pro feature forever, one payment.
Developer apps
FAQ
How does Stud Finder work?
Stud Finder utilizes your iPhone's built-in magnetometer to measure minute changes in the magnetic field. It automatically zeroes itself and filters out noise to provide accurate readings of metal objects like screws, nails, and pipes behind walls.
Does Stud Finder have ads?
No, Stud Finder does not contain advertisements. The app is free to download and use, with optional Pro features available through a one-time purchase or a yearly subscription.
What is the difference between the free and Pro versions of Stud Finder?
The Pro version unlocks advanced features such as buzz and sound alerts, adjustable sensitivity for different wall types, and the ability to save markers on finds. The Pro version is available via a one-time purchase or a low yearly plan.
Can Stud Finder detect wood studs?
Stud Finder detects wood studs indirectly by locating their metal fasteners, such as screws or nails. By following a vertical line of these metal hits, you can identify the location of a wood stud.
Is Stud Finder accurate for all wall types?
Stud Finder is tuned for drywall and can detect screws, nails, and metal studs. The Pro version offers adjustable sensitivity, which can be beneficial for thicker plaster or thinner drywall, enhancing accuracy across different wall materials.
What devices is Stud Finder compatible with?
Stud Finder is compatible with iPhones and iPads. It requires a device with a built-in magnetometer to function correctly.
How often is Stud Finder updated?
Stud Finder was last updated on July 29, 2026, with version 1.0. While specific update frequency isn't detailed, its recent release suggests ongoing development and potential future improvements.
What is the price of the Stud Finder Pro subscription?
The Pro version of Stud Finder is available through a yearly subscription plan priced at $1.99 per year. Family Sharing is included with this purchase.