# EMF Field Detector RF Scanner vs EMF Radiation Detector

The clearest difference is price: EMF Radiation Detector at Free against EMF Field Detector RF Scanner's $4.99. EMF Radiation Detector also leads on in-app purchases (none vs 2) and ads (none vs shown). EMF Field Detector RF Scanner's advantage is rating (4.5 vs 3.4) and review sentiment (84% vs 54%). On device support there is nothing between them.

EMF Radiation Detector is free to download; EMF Field Detector RF Scanner costs $4.99 up front. EMF Field Detector RF Scanner sells 2 one-off in-app purchases. EMF Radiation Detector asks for nothing beyond the download.

EMF Field Detector RF Scanner holds the better App Store score, 4.5 against 3.4. That said, the two scores are not equally well evidenced: EMF Field Detector RF Scanner has 5.5K ratings behind it against 200, so its average is the more settled of the two. Written reviews point the same way: 84% of EMF Field Detector RF Scanner's written reviews are positive against 54% of EMF Radiation Detector's.

## The numbers

| Metric | EMF Field Detector RF Scanner | EMF Radiation Detector |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.5 (5.5K ratings)](https://appshunter.io/ios/app/emf-field-detector-rf-scanner/id836603095/reviews)** | [3.4 (200 ratings)](https://appshunter.io/ios/app/emf-radiation-detector/id1046907307/reviews) |
| Number of ratings | **5.5K** | 200 |
| Positive reviews | **83.6% of reviews** | 54.1% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | — |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#178** | — |
| Size | 56 MB | 3 MB |
| Requires iOS | 15.6 | **7.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jorge Gregorio Martin Bello](https://appshunter.io/developer/567988393) | [Ngoc Que Nguyen](https://appshunter.io/developer/545501854) |

## What reviewers say

### EMF Field Detector RF Scanner

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

**Currently charting:** #178 Top Paid · Utilities (US App Store)

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


### EMF Radiation Detector

[App page](https://appshunter.io/ios/app/emf-radiation-detector/id1046907307)

Detect electromagnetic radiation (EMF) emitted by everyday devices. This app uses your iPhone to measure nearby fields, alerting you to potentially harmful levels that could impact your health and environment.

**Highlights:** Detects electromagnetic fields, Measures EMF radiation levels, Alerts to dangerous levels, Simple to use interface, Compatible with iOS 7.1+

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and clean user interface
- 💰 Free app with no ads
- 🧲 Accurately detects magnetic fields
- 🎮 Fun to experiment with as entertainment
- ⚡ Works reliably for magnetic field detection

**What reviewers complain about**

- ❌ Misleading app description and marketing
- 🚫 Does NOT detect EMF radiation as advertised
- 🚫 Does NOT detect radio frequencies or electric fields
- 🚫 Does NOT detect ionizing radiation (gamma rays, x-rays)
- 🚫 Does NOT detect cell phone radiation

**Reported bugs**

- Inconsistent readings in same location
- App stops detecting after initial use
- Constant high readings on some devices (iPhone 6S)
- Readings change based on phone orientation
- Randomly generates numbers or shows extreme values

**Requested features**

- Add safety guidelines for harmful radiation levels
- Clarify which EMF frequency ranges are detected
- Provide reference values (e.g., near substation transformer)
- Add ability to change units from microTesla to milligauss
- Include notification alerts for sudden EMF changes


## 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 EMF Radiation Detector free?

EMF Radiation Detector is free to download, with no in-app purchases.

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

EMF Field Detector RF Scanner is rated higher. EMF Field Detector RF Scanner averages 4.5 out of 5 from 5.5K ratings, while EMF Radiation Detector averages 3.4 from 200 ratings.

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

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

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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.*