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.
Metal Detector
This utility app uses your iPhone's sensors to detect metals, studs, and electromagnetic fields. It can also identify lens reflections and analyze WiFi networks for potential surveillance devices, offering a comprehensive scanning tool for security and home improvement.
- Metal and stud detection
- Lens reflection scanner
- EMF meter
- WiFi analyzer
- Easy calibration
- Lightweight and portable
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Metal Detector: Stud Finder turns your iPhone's built-in sensors into a pocket toolkit for finding hidden metal, magnetic fields, spy cameras and unknown devices. SCAN FOR METAL • Live magnetic field reading in µT with a clear gauge and a real-time graph • Sensitivity presets and one-tap calibration • Sound and haptic feedback that gets stronger as you get closer • Save every scan to your history HIDDEN CAMERA DETECTOR • Sweep a room with your camera to spot lens reflections • On-device detection, haptic alerts and a live HUD • Step-by-step "What should I do?" guide if something is found WI-FI & NETWORK CHECK • See the devices connected to your network • Spot unknown or suspicious devices BLUETOOTH SCANNER • Find nearby Bluetooth devices and see their signal strength ROOM SWEEP • A guided checklist that combines the camera, Wi-Fi and Bluetooth checks into one report STUD FINDER & WIRE LOCATOR • Find metal studs, nails, screws and wiring behind walls using the magnetic field • Move the phone slowly along the wall and watch the graph SIGNAL FINDER • Follow a signal with a direction and strength meter LEVEL & COMPASS • Level and compass in one screen EMF / ELECTROMAGNETIC DETECTOR • Measure the electromagnetic field around you with a live chart, calibration and reset MAIL SECURITY CHECK • Enter an email domain to check its public email security settings (SPF, DMARC and more) SCAN HISTORY & EXPORT • Review past scans and export them as PDF or CSV • Optional Face ID lock for your history MADE FOR EVERYDAY USE • Light and dark mode, with an Appearance setting (Auto, Light or Dark) • Home Screen quick actions and Siri Shortcuts • Available in English, Chinese (Simplified), Dutch, French, German, Italian, Japanese, Korean, Portuguese (Brazil) and Spanish (Latin America) IMPORTANT This app uses your iPhone's magnetometer and camera. It detects metal and magnetic fields, not wood or plastic, and it cannot see through walls. Results are indications, not guarantees. It is not a replacement for professional detection equipment or safety checks. SUBSCRIPTION & PRICING Metal Detector: Stud Finder is free to download with limited free scans. Unlock unlimited scans, all tools and an ad-free experience with: • Payment is charged to your Apple ID account at confirmation of purchase. • Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. • Your account is charged for renewal within 24 hours before the end of the current period, at the price of the chosen plan. • You can manage or cancel your subscription anytime in Settings > [your name] > Subscriptions. • Any unused portion of a free trial period, if offered, is forfeited when you purchase a subscription. • Prices may vary by country and are shown in your local currency in the app. Privacy Policy: https://sites.google.com/view/metal-detector-finder/privacy-policy Terms of Use: https://sites.google.com/view/metal-detector-finder/terms-conditions Apple Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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.
- 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
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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
Verdict
The clearest difference is update cadence: Metal Detector・EMF Reader at weekly against Metal Detector's every 5 months. Metal Detector・EMF Reader also leads on monetization model (free vs freemium). Metal Detector's advantage is ratings volume (8 vs 2). On price, rating, 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
Both are free to download. Metal Detector sells 3 in-app purchases, starting at $3.99 per 7 days and Metal Detector・EMF Reader sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 5.0 for Metal Detector against 5.0 for Metal Detector・EMF Reader. Both are backed by a comparable volume of ratings — 8 and 2 respectively.
Metal Detector ships an update every 5 months, Metal Detector・EMF Reader weekly. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.
| Parameter | Metal Detector | Metal Detector・EMF Reader |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (8 ratings) | 5.0 (2 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 8 — better | 2 |
| Update frequency | Every 5 months | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Free — better |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 16.6 |
| Further details — not scored | ||
| Size | 123 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | Reena Williams | Yash Mandhyan |
Customer experience
Metal Detector
Metal Detector・EMF Reader
In-app purchases
Metal Detector
- Weekly Subscription$3.997 Days
- Weekly Subscription3 Days trial$5.997 Days
- Yearly Subscriptions$39.991 Year
Metal Detector・EMF Reader
- Lifetime Access$2.99
Questions
Is Metal Detector free?
Is Metal Detector・EMF Reader free?
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