# EMF Field Detector RF Scanner vs Faraday Test

The clearest difference is review sentiment: EMF Field Detector RF Scanner at 84% against Faraday Test's 29%. EMF Field Detector RF Scanner also leads on rating (4.5 vs 2.3) and update cadence (every 3 weeks vs every 10 months). Faraday Test's advantage is price (Free vs $4.99) and in-app purchases (none vs 2). On device support there is nothing between them.

Faraday Test 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. Faraday Test asks for nothing beyond the download.

EMF Field Detector RF Scanner holds the better App Store score, 4.5 against 2.3. That said, the two scores are not equally well evidenced: EMF Field Detector RF Scanner has 5.5K ratings behind it against 11, 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 29% of Faraday Test's.

EMF Field Detector RF Scanner ships an update every 3 weeks, Faraday Test every 10 months. The most recent releases landed on October 18, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | EMF Field Detector RF Scanner | Faraday Test |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.5 (5.5K ratings)](https://appshunter.io/ios/app/emf-field-detector-rf-scanner/id836603095/reviews)** | [2.3 (11 ratings)](https://appshunter.io/ios/app/faraday-test/id1185188891/reviews) |
| Number of ratings | **5.5K** | 11 |
| Positive reviews | **83.6% of reviews** | 28.9% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 10 months |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#131** | — |
| Size | 56 MB | 9 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jorge Gregorio Martin Bello](https://appshunter.io/developer/567988393) | [Merakai, LLC](https://appshunter.io/developer/1136297273) |

## What reviewers say

### EMF Field Detector RF Scanner

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

**Currently charting:** #131 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


### Faraday Test

[App page](https://appshunter.io/ios/app/faraday-test/id1185188891)

Test the signal blocking capabilities of Faraday bags and enclosures. This utility app verifies complete signal transmission blockage for Wi-Fi and cellular signals, generating a detailed report of the results.

**Highlights:** Test Wi-Fi signal blocking, Test cellular signal blocking, Verify complete signal blockage, Generate test reports, Assess Faraday bag effectiveness

**Features:** macOS Compatibility

**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 Faraday Test free?

Faraday Test is free to download, with no in-app purchases.

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

EMF Field Detector RF Scanner is rated higher. EMF Field Detector RF Scanner averages 4.5 out of 5 from 5.5K ratings, while Faraday Test averages 2.3 from 11 ratings.

### Do EMF Field Detector RF Scanner or Faraday Test have ads?

EMF Field Detector RF Scanner shows ads; Faraday Test does not.

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

EMF Field Detector RF Scanner ships an update every 3 weeks, and Faraday Test every 10 months. Most recently, EMF Field Detector RF Scanner was updated on October 18, 2026 and Faraday Test on October 12, 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.*