# Real EMF Detector — Magnetic Field & Gauss Meter

> Magnetic Field & Gauss Meter (iPhone/iPad app by MOBILE ALCHEMY LTD.)

- Source: https://appshunter.io/ios/app/real-emf-detector/id6772847396 (this page in markdown: same URL + `.md`)
- Developer: [MOBILE ALCHEMY LTD](https://appshunter.io/developer/1577973502)
- Category: Utilities, Education
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.0 · 11 MB
- Released: 2026-05-28
- Data updated: 2026-09-09
- User reviews in markdown: https://appshunter.io/ios/app/real-emf-detector/id6772847396/reviews.md

## What is Real EMF Detector?

Measure magnetic fields with real sensor data. Real EMF Detector turns your iPhone into a precision magnetometer using the built-in calibrated magnetic field sensor to detect and measure DC magnetic fields around you.

CALIBRATED SENSOR TECHNOLOGY
- Uses Core Motion calibrated magnetic field data that removes device self-interference
- X, Y, Z axis breakdown showing directional field components
- Total field magnitude in microtesla with continuous updates
- More accurate than raw magnetometer apps that include phone hardware noise

REAL-TIME DETECTOR
- Large circular gauge with smooth animated needle
- Color-coded safety levels: Background, Normal, Elevated, Strong, Very Strong
- Instant response as you move through your environment
- Configurable threshold alerts with haptic feedback

LIVE GRAPH
- Real-time scrolling chart built with Swift Charts
- Track magnetic field changes over time as you scan
- Pinch to zoom and scroll through recorded data
- X, Y, Z axis overlay for detailed field analysis

STUD & METAL SCANNER
- Detect metal objects, pipes, and wiring behind walls
- Find studs by scanning for nail and screw patterns
- Audio and haptic feedback as field strength changes
- Sensitivity adjustment for different scanning needs

SESSION HISTORY
- Record complete measurement sessions with one tap
- Review past sessions with full statistics and timeline
- Export session data as CSV for further analysis
- Stored locally with SwiftData for fast access

LEARN & UNDERSTAND
- Educational guide to magnetic fields and EMF science
- Understand what your readings mean in everyday context
- Reference chart comparing common magnetic field sources
- Safety information based on published exposure guidelines

COMMON USES
- Home inspection: check appliances, wiring, and electrical panels
- Stud finding: locate metal fasteners behind drywall
- Education: learn about magnetism and electromagnetic fields
- Hobby and exploration: investigate unusual magnetic sources
- Workplace assessment: identify strong field areas

HONEST ABOUT LIMITATIONS
Real EMF Detector measures DC magnetic fields using the iPhone magnetometer. It cannot detect RF signals, Wi-Fi, cellular (5G/4G), AC electromagnetic fields, or electric fields. For those measurements, specialized equipment is required. What it does measure, it measures well -- with calibrated data that most competing apps lack.

Built with SwiftUI, Swift Charts, and Core Motion. No ads, no data collection.

Terms of Use: https://emfdetector.mobilealchemy.co/terms
Privacy Policy: https://emfdetector.mobilealchemy.co/privacy

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| EMF Detector Pro | $1.99 | per 7 days |
| EMF Detector Pro | $19.99 | per year |
| EMF Detector Pro | $4.99 | per month |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| EMF Detector Pro – Lifetime | $39.99 | one-time |



## Version history (last 3 releases)

### 1.2 — 2026-06-24

Lifetime unlock is now front and center — own every Pro feature (Ghost Mode & EVP, AR EMF, room heatmaps, unlimited recording, data export) with a single one-time purchase, no subscription required. Prefer to try first? The free trial is still there. Plus performance and stability improvements.

### 1.1 — 2026-06-16

Version 1.0
• Real-time electromagnetic field detection with calibrated magnetometer
• Ghost Mode: Spirit Box, EVP Recorder, Night Vision Camera
• AR EMF visualization with colored 3D particles
• Interactive EMF heatmap for room mapping
• Stud finder and metal scanner with audio feedback
• Reference database with 30+ common EMF sources
• Live graph with session recording and CSV export
• Supports 37+ languages

### 1.0 — 2026-05-28

No release notes.

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All apps by MOBILE ALCHEMY LTD: https://appshunter.io/developer/1577973502

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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 2026-09-09.*