# Metal Detector - Field Scanner — Magnetic Field Scanner

> Magnetic Field Scanner (iPhone/iPad app by 学友 刘.)

- Source: https://appshunter.io/ios/app/metal-detector-field-scanner/id6780550327 (this page in markdown: same URL + `.md`)
- Developer: [学友 刘](https://appshunter.io/developer/1895323694)
- Category: Utilities, Lifestyle
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.0 · 2 MB
- Languages: American English, Arabic, French (France), German (Germany), Japanese, Korean, European Portuguese, Chinese (Simplified, China), European Spanish, Chinese (Traditional, Taiwan)
- Released: 2026-06-18
- Data updated: 2026-06-30
- User reviews in markdown: https://appshunter.io/ios/app/metal-detector-field-scanner/id6780550327/reviews.md

## What is Metal Detector?

Metal Detector - Field Scanner turns your iPhone magnetometer into a simple, real-time magnetic field tool.

MEASURE IN REAL TIME
• Live total magnetic field strength (µT, mG, or G)
• X / Y / Z axis readings
• Session min & max tracking
• Visual ring gauge and progress bar

SMART ALERTS
• Adjustable metal detection threshold
• Optional sound and haptic alerts when readings rise
• Pause to freeze the current reading

CALIBRATION & SENSORS
• Step-by-step calibration guide (figure-8 motion)
• Sensor status screen for magnetometer, accelerometer, gyro, and more

HISTORY & SETTINGS
• Automatic detection history on device
• Light / dark appearance
• Multiple language support

METAL DETECTOR PRO (OPTIONAL SUBSCRIPTION)
• Advanced magnetic field chart
• More threshold presets
• Snapshot export & share

Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. Manage or cancel in Settings → Apple ID → Subscriptions.

IMPORTANT
This app uses your device’s built-in magnetometer for informational purposes only. Results are not professional measurements and cannot guarantee the presence or location of metal, wiring, pipes, or objects inside walls. Always follow safety rules and use qualified professionals when needed.

PRIVACY & TERMS
Privacy Policy: https://xure123-liu.github.io/metaldetectorprivacy-policy/

Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Sensor data is processed on your device. We do not require an account. For privacy questions: privacy@metaldetector.app

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Yearly Pro | $19.99 | per year |
| Monthly Pro | $2.99 | per month |



## Version history (last 1 release)

### 1.0.0 — 2026-06-18

No release notes.

## More apps by 学友 刘

- [Sound Meter Env](https://appshunter.io/ios/app/sound-meter-env/id6768058237)
- [GPSSpeed — Speedometer](https://appshunter.io/ios/app/gpsspeed-speedometer/id6772533638)

All apps by 学友 刘: https://appshunter.io/developer/1895323694

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-30.*