Comparison

Metal Detector・EMF Reader vs Stud Finder

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Metal Detector・EMF Reader

Transform your iPhone into a versatile tool for detecting metal objects, locating wall studs, and measuring EMF levels. Utilize the device's built-in magnetometer for real-time insights into magnetic fields and signal strength, perfect for various DIY and utility tasks.

Highlights
  • Detect nearby metal objects
  • Find wall studs, screws, nails, pipes
  • Real-time magnetic field readings
  • Live EMF meter and graph visualization
  • Signal confidence indicator
  • Axis-based directional detection
Features
Read full description

Turn your iPhone into a powerful Metal Detector, Stud Finder & EMF Reader using the built-in magnetometer sensor. Metal Detector helps you locate nearby metal objects, detect magnetic fields, analyze EMF levels, and visualize live magnetometer readings directly from your device. Whether you’re searching for hidden metal, locating wall studs, checking electronics for EMF activity, or exploring magnetic fields around you, this app gives you real-time precision and easy-to-read insights. Perfect for DIY projects, construction work, home improvement, electronics testing, hobby exploration, and everyday utility use. FEATURES • Detect nearby metal objects using your iPhone’s magnetometer • Find wall studs, screws, nails, pipes, and hidden metallic objects • Real-time magnetic field readings in microtesla (µT) • Live EMF meter and magnetometer graph visualization • Signal confidence indicator for stronger detections • Axis-based directional detection system • Smooth real-time graphing of magnetic field activity • Minimal, clean, and professional interface • Fast and lightweight performance • Works instantly with supported iPhones HOW IT WORKS The app uses your iPhone’s built-in magnetometer sensor to measure magnetic field strength. When metal or magnetic objects are nearby, the magnetic field changes and the app displays the variation in real time. You can use Metal Detector to: • Locate metal studs in walls • Find hidden screws or nails • Detect magnetic interference • Measure EMF activity around electronics • Explore magnets and magnetic fields • Scan objects for metallic presence GREAT FOR • DIY & home improvement • Construction & renovation • Electricians & technicians • Hobbyists & explorers • Educational science experiments • Everyday utility detection IMPORTANT NOTES • Accuracy depends on your iPhone’s magnetometer sensor • Best results occur with ferromagnetic metals like iron and steel • Does not work for non ferrous metal like Aluminum, gold, silver • Thick walls or heavy interference can affect readings • Remove magnetic phone accessories for improved accuracy Download Metal Detector today and transform your iPhone into a smart magnetic field scanner, EMF reader, and stud finder tool. Terms of service - https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Stud Finder

This utility app transforms your phone into a stud and metal detector. It offers instant detection, smart calibration, and real-time feedback to help you locate hidden objects behind walls for home projects.

Highlights
  • Instant stud detection
  • Metal object finder
  • Smart calibration
  • Real-time feedback
  • Easy to use
Features
Read full description

WallX – Your Precision Stud Finder Find hidden studs and metal objects behind walls using only your Phone. WallX makes home projects easier, faster, and more reliable – no extra tools required. Why WallX? + Instant Stud Detection – Quickly spot studs behind walls + Metal Object Finder – Detect nails, screws, and other hidden metal + Smart Calibration – Always accurate and reliable + Real-Time Feedback – Live gauges and haptic response + Easy to Use – Ready in seconds, no setup needed WallX turns your phone into a powerful wall scanner – helping you hang, mount, and build with confidence. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Metal Detector・EMF Reader3 screens
Stud Finder4 screens

Verdict

The call

The clearest difference is monetization model: Metal Detector・EMF Reader at free against Stud Finder's free with in-app purchases. Metal Detector・EMF Reader also leads on rating (5.0 vs 4.7) and iOS requirement (16.6 vs 18.5). On price, ratings volume, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Metal Detector・EMF Reader sells 1 one-off in-app purchase and Stud Finder sells 2 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Metal Detector・EMF Reader holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 2 and 3 respectively.

Scorecard3 real differences · 7 level
Metal Detector・EMF Reader versus Stud Finder: the parameters behind the verdict, then further details
ParameterMetal Detector・EMF ReaderStud Finder
PriceFreeFree
Rating5.0 (2 ratings) — better4.7 (3 ratings)
Positive reviews100.0% of reviews—
Number of ratings23 — better
Update frequencyWeekly—
AdsNoNo
In-app purchasesYesYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhoneiPhone
Requires iOS16.6 — better18.5
Further details — not scored
Size18 MB15 MB
Age rating4+12+
DeveloperYash MandhyanKiryl Nazarau

Customer experience

Metal Detector・EMF Reader

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Stud Finder

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Metal Detector・EMF Reader

One-time1
  • Lifetime Access$1.99
2 purchases

Stud Finder

Subscriptions2
  • Weekly3 Days trial$5.997 Days
  • Annual$24.991 Year

Questions

Is Metal Detector・EMF Reader free?
Metal Detector・EMF Reader is free to download, with in-app purchases available.
Is Stud Finder free?
Stud Finder is free to download, with in-app purchases available.
Which has better reviews, Metal Detector・EMF Reader or Stud Finder?
Metal Detector・EMF Reader is rated higher. Metal Detector・EMF Reader averages 5.0 out of 5 from 2 ratings, while Stud Finder averages 4.7 from 3 ratings.
Do Metal Detector・EMF Reader or Stud Finder have ads?
Neither Metal Detector・EMF Reader nor Stud Finder shows ads.

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