Comparison

Stud Finder | Metal Detector vs Metal Detector・EMF Reader

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

Head to head
About

Stud Finder | Metal Detector

This utility app uses your phone's magnetometer to detect nearby metal objects. It functions as a stud finder and metal detector, helping you locate hidden items by measuring magnetic field fluctuations.

Highlights
  • Magnetic detector
  • Gold detector
  • Metal finder
  • Magnetometer readings
  • Stud finding
Features
Read full description

Discover hidden treasures with our Metal Detector app! Use our magnetic detector, gold detector, and metal finder features to locate metal objects easily. Perfect for magnetometer readings and stud finding! Does this app really work? One way to check is to hold the phone close to a stainless steel knife and see that the indicator changes. How it works? The app uses the magnetometer to measure the magnetic field when your phone is placed near ferrous metal objects. INSTRUCTIONS: If your device has an external case then please remove it before using this app.

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/

Screenshots

Stud Finder | Metal Detector4 screens
Metal Detector・EMF Reader3 screens

Verdict

The call

The clearest difference is rating: Metal Detector・EMF Reader at 5.0 against Stud Finder | Metal Detector's 3.0. Metal Detector・EMF Reader also leads on ads (none vs shown). Stud Finder | Metal Detector's advantage is in-app purchases (none vs 1). On price, ratings volume, update cadence and device support 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. Stud Finder | Metal Detector asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Metal Detector・EMF Reader holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 14, 2026 and October 25, 2026 respectively.

Scorecard4 real differences · 6 level
Stud Finder | Metal Detector versus Metal Detector・EMF Reader: the parameters behind the verdict, then further details
ParameterStud Finder | Metal DetectorMetal Detector・EMF Reader
PriceFreeFree
Rating3.0 (1 ratings)5.0 (2 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings12 — better
Update frequencyWeeklyWeekly
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supportedFree — better
DevicesiPhone, iPod — betteriPhone
Requires iOS15.0 — better16.6
Further details — not scored
Size9 MB18 MB
Age rating17+4+
DeveloperMuhammad Ajmal ShahYash Mandhyan

Customer experience

Stud Finder | Metal Detector

All ratings1 ratings
Positive0.0%
Neutral100.0%
Negative0.0%

Metal Detector・EMF Reader

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

In-app purchases

None

Stud Finder | Metal Detector

No in-app purchases

1 purchases

Metal Detector・EMF Reader

One-time1
  • Lifetime Access$2.99

Questions

Is Stud Finder | Metal Detector free?
Stud Finder | Metal Detector is free to download, with no in-app purchases.
Is Metal Detector・EMF Reader free?
Metal Detector・EMF Reader is free to download, with in-app purchases available.
Which has better reviews, Stud Finder | Metal Detector or Metal Detector・EMF Reader?
Metal Detector・EMF Reader is rated higher. Stud Finder | Metal Detector averages 3.0 out of 5 from 1 ratings, while Metal Detector・EMF Reader averages 5.0 from 2 ratings.
Do Stud Finder | Metal Detector or Metal Detector・EMF Reader have ads?
Stud Finder | Metal Detector shows ads; Metal Detector・EMF Reader does not.
Which is updated more often, Stud Finder | Metal Detector or Metal Detector・EMF Reader?
Stud Finder | Metal Detector ships an update weekly, and Metal Detector・EMF Reader weekly. Most recently, Stud Finder | Metal Detector was updated on October 14, 2026 and Metal Detector・EMF Reader on October 25, 2026.

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