# EMF Field Detector RF Scanner vs µMagnetometer

EMF Field Detector RF Scanner and µMagnetometer both sit at 4.5 stars, but that hides the real split: 84% of EMF Field Detector RF Scanner's written reviews are positive against 23% of µMagnetometer's. EMF Field Detector RF Scanner also leads on ratings volume (5.5K vs 67) and update cadence (every 3 weeks vs every 4 months). µMagnetometer's advantage is in-app purchases (none vs 2) and ads (none vs shown). On rating and device support there is nothing between them.

EMF Field Detector RF Scanner costs $4.99 and µMagnetometer $1.99 up front. EMF Field Detector RF Scanner sells 2 one-off in-app purchases. µMagnetometer asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.5 for EMF Field Detector RF Scanner against 4.4 for µMagnetometer. That said, the two scores are not equally well evidenced: EMF Field Detector RF Scanner has 5.5K ratings behind it against 67, so its average is the more settled of the two. Written reviews are what separate them: 84% of EMF Field Detector RF Scanner's written reviews are positive against 23% of µMagnetometer's.

EMF Field Detector RF Scanner ships an update every 3 weeks, µMagnetometer every 4 months. The most recent releases landed on September 24, 2026 and August 29, 2026 respectively.

## The numbers

| Metric | EMF Field Detector RF Scanner | µMagnetometer |
| --- | --- | --- |
| Price | $4.99 | **$1.99** |
| Rating | **[4.5 (5.5K ratings)](https://appshunter.io/ios/app/emf-field-detector-rf-scanner/id836603095/reviews)** | [4.4 (67 ratings)](https://appshunter.io/ios/app/magnetometer/id1482576105/reviews) |
| Number of ratings | **5.5K** | 67 |
| Positive reviews | **84.1% of reviews** | 23.1% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 56 MB | 15 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jorge Gregorio Martin Bello](https://appshunter.io/developer/567988393) | [Dmytro Hrebeniuk](https://appshunter.io/developer/1458758581) |

## What reviewers say

### EMF Field Detector RF Scanner

[App page](https://appshunter.io/ios/app/emf-field-detector-rf-scanner/id836603095)

Detect electromagnetic fields (EMF) using your device's sensors. Get alerted to high magnetic fields and potential radiation sources in your home. Useful for identifying hidden emitters and understanding your environment.

**Highlights:** Detects electromagnetic fields (EMF), Warns of high magnetic fields with beeps, Measures magnetic force on three axes, Records readings with time and date stamps, Stores up to 100 records, Sends measurements via email

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Pack | $4.99 | one-time |
| Special Offer | $4.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Accurate readings
- 💡 Useful for detecting EMF
- 🔍 Helps identify problem areas
- 📊 Provides clear data and insights

**What reviewers complain about**

- 🐛 Occasional glitches or inconsistent readings
- 🔋 Concerns about phone's own EMF emissions
- 💰 Premium version required for full functionality

**Reported bugs**

- App freezes or stops working after updates
- Readings not always accurate or reliable

**Requested features**

- Ability to export data
- More detailed explanations and guidance
- Compatibility with other EMF measurement devices


### µMagnetometer

[App page](https://appshunter.io/ios/app/magnetometer/id1482576105)

Measures the strength of the magnetic field around you using your device's magnetometer. Requires Location Services to be enabled on iOS. Provides microtesla readings for nearby magnetic fields.

**Highlights:** Measures magnetic field strength, Displays readings in microteslas, Utilizes device magnetometer, Requires Location Services (iOS)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is EMF Field Detector RF Scanner free?

EMF Field Detector RF Scanner costs $4.99, and also offers in-app purchases.

### Is µMagnetometer free?

µMagnetometer costs $1.99, with no in-app purchases.

### Which has better reviews, EMF Field Detector RF Scanner or µMagnetometer?

EMF Field Detector RF Scanner is rated higher. EMF Field Detector RF Scanner averages 4.5 out of 5 from 5.5K ratings, while µMagnetometer averages 4.4 from 67 ratings.

### Do EMF Field Detector RF Scanner or µMagnetometer have ads?

EMF Field Detector RF Scanner shows ads; µMagnetometer does not.

### Which is updated more often, EMF Field Detector RF Scanner or µMagnetometer?

EMF Field Detector RF Scanner ships an update every 3 weeks, and µMagnetometer every 4 months. Most recently, EMF Field Detector RF Scanner was updated on September 24, 2026 and µMagnetometer on August 29, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*