# EMF Field Detector RF Scanner vs SIM Scanner 2

The clearest difference is review sentiment: EMF Field Detector RF Scanner at 84% against SIM Scanner 2's 0%. EMF Field Detector RF Scanner also leads on rating (4.5 vs 1.0) and update cadence (every 3 weeks vs every 10 months). SIM Scanner 2's advantage is price (Free vs $4.99) and in-app purchases (none vs 2). On ads and device support there is nothing between them.

SIM Scanner 2 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. SIM Scanner 2 asks for nothing beyond the download.

EMF Field Detector RF Scanner holds the better App Store score, 4.5 against 1.0. That said, the two scores are not equally well evidenced: EMF Field Detector RF Scanner has 5.5K ratings behind it against 1, 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 0% of SIM Scanner 2's.

EMF Field Detector RF Scanner ships an update every 3 weeks, SIM Scanner 2 every 10 months. The most recent releases landed on September 24, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | EMF Field Detector RF Scanner | SIM Scanner 2 |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.5 (5.5K ratings)](https://appshunter.io/ios/app/emf-field-detector-rf-scanner/id836603095/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/sim-scanner-2/id1465761631/reviews) |
| Number of ratings | **5.5K** | 1 |
| Positive reviews | **84.1% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 3 weeks** | Every 10 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 56 MB | 7 MB |
| Requires iOS | 15.6 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jorge Gregorio Martin Bello](https://appshunter.io/developer/567988393) | [Due punto Tre S.r.l.s.](https://appshunter.io/developer/1127371018) |

## 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


### SIM Scanner 2

[App page](https://appshunter.io/ios/app/sim-scanner-2/id1465761631)

Identify the mobile operator for prepaid SIM cards from major Italian carriers. Excludes business lines, subscription SIMs, and smaller MVNOs. Information is for guidance only and may not be error-free or fully updated.

**Highlights:** Identify prepaid SIM operators, Supports major Italian carriers (TIM, Vodafone, WindTre, Kena, Ho, Iliad), Excludes business and subscription SIMs, Information for guidance purposes

**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 SIM Scanner 2 free?

SIM Scanner 2 is free to download, with no in-app purchases.

### Which has better reviews, EMF Field Detector RF Scanner or SIM Scanner 2?

EMF Field Detector RF Scanner is rated higher. EMF Field Detector RF Scanner averages 4.5 out of 5 from 5.5K ratings, while SIM Scanner 2 averages 1.0 from 1 ratings.

### Do EMF Field Detector RF Scanner or SIM Scanner 2 have ads?

Both EMF Field Detector RF Scanner and SIM Scanner 2 show ads.

### Which is updated more often, EMF Field Detector RF Scanner or SIM Scanner 2?

EMF Field Detector RF Scanner ships an update every 3 weeks, and SIM Scanner 2 every 10 months. Most recently, EMF Field Detector RF Scanner was updated on September 24, 2026 and SIM Scanner 2 on June 1, 2026.

---

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