iPhone Screenshots



Use your iPhone to find nails in wooden support beams within your wall, or any sort of magnetic metal hidden from view.

For this app to work, the nails in your wall should be magnetic and your device (iPad, iPhone or iPod) should have a built-in magnetometer. This app does not detect non-magnetic objects, For example, aluminum or wood studs.

DISCLAIMER: The performance of the app is limited by the construction of the wall, presence of a phone cover and/or the material of the nails in the studs.


If your device has a external case, please remove before using this app.

Calibrate your device’s magnetic sensor by moving the device in a "Figure 8" pattern. Then tap the "Intensity" reading displayed on the app to set the baseline to zero.

To accurately detect nails using this app, on iPhone 5s and below, sweep with the right edge of the device against the wall. For iPhone 6 and above, sweep with the top edge of the device along the wall.

Sometimes it helps to first figure out the location of the magnet (compass magnet) on your phone using a magnetic material so it becomes clear where to "mark" when you find a nail in the stud.

Localization Credits: Laura Klein (French), Ilgiz Khisamov (Russian), Yasu Yu (Chinese), Cem Yolcu (Turkish)

What’s New

Version 4.1

+ Removed multiple ads on front app page upon request from users.

Ratings and Reviews

3.1 out of 5
67 Ratings
67 Ratings
Ccjhg ,

Best free stud finder

This thing actually works!!!! I was skeptical about it but it became a success story once I tried it. Test it out with your phone on objects first then try it on the wall, you will be impressed. You need patience to find the stud though it took me 3min at most.

trip12r12 ,

Doesn’t work on iPhone 7

Doesn’t work on iPhone 7

Megielu ,

Found it!

My dad was in my new apartment putting up my very heavy TV and forgot his stuff finder. Given that it was literally falling out of the wall at my last apartment I we anted to make sure to find a stud. I thought there had to be an app for this since I just used an app to measure the apartment the day before. Light bulb! This app was the answer to all my priblems! Get it, use it, love it!


Proteverse LLC
19.7 MB
Requires iOS 8.4 or later. Compatible with iPhone, iPad, and iPod touch.
English, Arabic, Dutch, French, German, Hindi, Italian, Japanese, Korean, Portuguese, Romanian, Russian, Simplified Chinese, Spanish, Tamil, Traditional Chinese, Turkish
Age Rating
Rated 4+
© Venkatramanan Krishnamani
In-App Purchases
  1. Support Stud Find $0.99


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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