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EMF & Magnetic Detector

EMF & Magnetic Detector

Detect wires & metal fast

439 ratings
351 reviews
With Ads
🔧 Utilities
📊 Productivity
Free
In-App PurchasesWith Ads

Details

  • Released
  • Updated
  • August 1, 2018
  • September 10, 2026

Features

Developer

Jose Bello
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EMF & Magnetic Detector screenshot #1 for iPhone
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EMF & Magnetic Detector screenshot #9 for iPhone
EMF & Magnetic Detector screenshot #10 for iPhone
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🧾$2.99 - $12.99
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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 EMF & Magnetic Detector

Reviews of EMF & Magnetic Detector are mostly positive: the Utilities app is rated 4.6/5 from 439 App Store ratings. What users like most: accurate magnetic detection, easy to use and intuitive. Top complaints: ads can be intrusive in free version, concerns about privacy and data collection. Summarized from real user reviews.

Positive things

  • ⭐Accurate magnetic detection
  • 👍Easy to use and intuitive
  • 🔍Helpful for finding hidden metal objects
  • 🔧Useful for troubleshooting mechanical issues (e.g., magnetized watches)

Negative things

  • 💰Ads can be intrusive in free version
  • 🔒Concerns about privacy and data collection
  • 🔋Potential impact on device battery life
See all reviews

What's New in EMF & Magnetic Detector

5.0

September 10, 2026

Improved detection accuracy with enhanced sensor processing. Room Scan now lets you visualize magnetic activity across your space with a detailed heatmap.

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Subscriptions & In-App Purchases

Weekly Full Access

Unlock all premium features for one week

$4.997 Days
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User reviews

Most RecentHighest RatedLowest Rated

30 second trial before you have to pay.

Only 30 second trial to try the app - not even long enough to figure out how the app works or how well, before you have to pay $18. No thanks.
Morgan Turner PhotographyMorgan Turner Photography

Great app for testing without having to spend the money on devices!

Awesome easy to use and straight to the point. Seems very accurate and I’m grateful I downloaded it.
Foley 7Foley 7

Haven’t had time to try it yet before I was prompted to rate it

Seems to work so far, but I don’t know yet
LindseyLulu82LindseyLulu82

So far it’s all good

So far so good, just recently downloaded and haven’t had much time to poke it yet. I did find the in app information section to be thorough from what I’ve read so far.
Junk-curatorJunk-curator

Measur

Cool
CarlmeasueCarlmeasue
See 346 more reviews

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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.