Comparison

Atlas 3D 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

Atlas 3D

This utility app allows users to scan and visualize their surroundings in real-time or underground using specialized devices. It offers directional guidance with a built-in compass and provides tools for analyzing and sharing scan data. Users can also update device software and access a manual within the application.

Highlights
  • Real-Time Scanning mode
  • Underground Scanning mode (3D)
  • Pointer mode with alerts
  • Integrated compass
  • Device software updates
  • Scan data analysis and sharing
  • User Manual
Read full description

- Analyze your scannings with 3D Isosurface visualization. - With Real-Time Scanning mode, navigate your device in the desired area and view the results in real time. - With Underground Scanning mode, scan the area you specify automatically or manually, with the desired width and height, and view the results in 3D. - With Pointer mode, navigate your device in the desired area, view the results with indicators and audio alerts. - Find your direction with the compass included in our app without needing other applications. - Use your Field Scanning devices with default frequencies or with your own frequencies. - View, analyze and share the records of Underground Scans that you have saved in Saved Scans and view/save a shared record that others shared with you. - Quickly learn how to use the app with the User Manual within the app. - Update your device software within the app. - Use the application with Turkish or English support (more language options are coming soon).

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

Atlas 3D4 screens
Metal Detector・EMF Reader3 screens

Verdict

The call

The clearest difference is in-app purchases: Atlas 3D at none against Metal Detector・EMF Reader's 1. Atlas 3D also leads on device support (3 vs 1). Metal Detector・EMF Reader's advantage is update cadence (weekly vs fortnightly). On price, review sentiment, ads and monetization model 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. Atlas 3D asks for nothing beyond the download.

UpkeepUpdate frequency

Atlas 3D ships an update fortnightly, Metal Detector・EMF Reader weekly. The most recent releases landed on October 1, 2026 and October 18, 2026 respectively.

Scorecard3 real differences · 7 level
Atlas 3D versus Metal Detector・EMF Reader: the parameters behind the verdict, then further details
ParameterAtlas 3DMetal Detector・EMF Reader
PriceFreeFree
Rating—5.0 (2 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings—2 — better
Update frequencyFortnightlyWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better16.6
Further details — not scored
Size66 MB18 MB
Age rating4+4+
DeveloperAtlas DedektorYash Mandhyan

Customer experience

Atlas 3D

Written reviews2 reviews
Positive100.0%
Neutral0.0%
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

Atlas 3D

No in-app purchases

1 purchases

Metal Detector・EMF Reader

One-time1
  • Lifetime Access$2.99

Questions

Is Atlas 3D free?
Atlas 3D 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.
Do Atlas 3D or Metal Detector・EMF Reader have ads?
Neither Atlas 3D nor Metal Detector・EMF Reader shows ads.
Which is updated more often, Atlas 3D or Metal Detector・EMF Reader?
Atlas 3D ships an update fortnightly, and Metal Detector・EMF Reader weekly. Most recently, Atlas 3D was updated on October 1, 2026 and Metal Detector・EMF Reader on October 18, 2026.

Other comparisons