Magnetic Detector, Stud Finder

Magnetic Detector, Stud Finder

Metal, EMF & Gauss Meter

443 ratings
356 reviews
Free
In-App PurchasesWith Ads

Details

Released
August 1, 2018
Updated
October 28, 2026

Features

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About

This app uses your device's magnetometer to detect magnetic and electromagnetic fields. It helps locate metal objects, hidden wires, pipes, and even wood studs behind walls. Get real-time readings and alerts to explore your surroundings.

✓Detects magnetic and EMF fields
✓Locates metal objects, wires, and pipes
✓Finds hidden wood studs behind walls
✓Real-time magnetic field intensity readings (μT & mG)
✓Active detection beep alerts
✓Automatic storage of time and measurements
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What users say about Magnetic Detector, Stud Finder

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+1

What's New in Magnetic Detector, Stud Finder

5.1

October 28, 2026

Small improvements for a smoother, more refined detection experience. Explore magnetic activity around you with Room Scan and visualize magnetic hotspots using an intuitive heatmap.

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User reviews

Remarkable

Love it

More useful than you think

Looking for nails in a wall and magnetic hotspots that can give you a headache, this app looks for those things. I also found that it finds magnetic anomalies. I found one of these at work when I was looking for bugs and instead found a bizarre reading in the middle of our works canteen. Nobody knows what it is. Still, this app found it.
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Amazing emf and magnetic detector

I use this app very often. It helps my to find a lot of magnetic sources. It’s very accurate. This magnetic detector is simply awesome. Thanks

Good power magnetic finder

Works well for me

Great Tool

Works as advertised.

Developer apps

User experience

🐞

Reported Bugs

2 issues

Readings sometimes inconsistent or stop at certain thresholds

Bug

Compatibility issues with some devices

Bug
✨

Requested Features

3 requests

Add support for measuring electric fields

Feature

Improve accuracy and sensitivity

Feature

Provide more detailed readings and analysis

Feature

FAQ

What does the EMF & Magnetic Detector app do?

This app uses your device's built-in magnetometer to detect and measure magnetic and electromagnetic fields. It can help you locate ferromagnetic metal objects like wires, pipes, coins, and keys, as well as discover hidden wood studs behind walls or plasterboard.

How does the app detect metal and wires?

The app leverages your device's magnetic sensor to quantify the intensity of the magnetic field. When placed near ferromagnetic materials, these fields cause a disturbance, leading to an increase in the readings displayed by the app. An active detection beep alerts you when a certain limit is reached.

Is this app a replacement for professional metal detector devices?

No, this app is intended for private and entertainment purposes only. While it can detect magnetic fields and metal objects, it is not a substitute for professional-grade metal detector devices.

What are the main features of the EMF & Magnetic Detector app?

Key features include active detection beeps, automatic storage of time and measurements, and a gauge displaying magnetic field magnitude in both microteslas (μT) and milliGauss (mG). It also allows for the discovery of hidden wood studs behind walls.

Who can benefit from using this app?

The app is useful for construction workers and handymen looking to find hidden wires in walls, students for educational projects and experiments, and anyone interested in exploring magnetic fields. Scientists, teachers, and engineers also use detector meters for similar purposes.