# EMF Detector vs Spy Camera Detector & Scanner

The clearest difference is monetization model: EMF Detector at free with in-app purchases against Spy Camera Detector & Scanner's subscription. EMF Detector also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 8 months). Spy Camera Detector & Scanner's advantage is rating (4.6 vs 4.4) and review sentiment (41% vs 25%). On price, in-app purchases and device support there is nothing between them.

Both are free to download. EMF Detector sells 2 in-app purchases, starting at $4.99 per month and Spy Camera Detector & Scanner sells 6 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Spy Camera Detector & Scanner holds the better App Store score, 4.6 against 4.4. That said, the two scores are not equally well evidenced: Spy Camera Detector & Scanner has 2K ratings behind it against 339, so its average is the more settled of the two. Written reviews point the same way: 25% of EMF Detector's written reviews are positive against 41% of Spy Camera Detector & Scanner's.

EMF Detector ships an update every 2 weeks, Spy Camera Detector & Scanner every 8 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | EMF Detector | Spy Camera Detector & Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (339 ratings)](https://appshunter.io/ios/app/emf-detector-radiation-reader/id6572300713/reviews) | **[4.6 (2K ratings)](https://appshunter.io/ios/app/spy-camera-detector-and-scanner/id6636483523/reviews)** |
| Number of ratings | 339 | **2K** |
| Positive reviews | 25.0% of reviews | **40.9% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 8 months |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 11 MB | 60 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [新雨 李](https://appshunter.io/developer/1559932632) | [Traffic Factory LTD](https://appshunter.io/developer/1580710840) |

## What reviewers say

### EMF Detector

[App page](https://appshunter.io/ios/app/emf-detector-radiation-reader/id6572300713)

Transform your iPhone into an EMF detector to monitor electromagnetic fields. Identify radiation levels in various environments to assess safety at home, work, or in public spaces. Gain insights to make informed decisions about your surroundings.

**Highlights:** EMF monitoring, Electromagnetic field detection, Radiation level measurement, Environmental safety assessment, Real-time EMF readings

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| unlimited features | $4.99 | per month |
| unlimited features | $14.99 | one-time |


### Spy Camera Detector & Scanner

[App page](https://appshunter.io/ios/app/spy-camera-detector-and-scanner/id6636483523)

This app helps you protect your privacy by detecting hidden cameras and suspicious devices in various locations. It uses WiFi, Bluetooth, IR, and magnetic field scanning to identify potential threats, ensuring your personal spaces remain secure.

**Highlights:** WiFi and Bluetooth Device Locator, IR Detector, Magnetic Detector, Device History, Finding Camera Tips

**Features:** Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Spy Camera Detector & Scanner | $6.99 | per 7 days |
| Tracking Cameras | $9.99 | per 7 days |
| Spy Camera Detector & Scanner | $14.99 | per month |
| Spy Camera Detector & Scanner | $15.99 | per month |
| Spy Camera Detector & Scanner | $83.99 | per year |
| Spy Camera Detector & Scanner | $99.99 | per year |


## Frequently asked questions

### Is EMF Detector free?

EMF Detector is free to download, with in-app purchases available.

### Is Spy Camera Detector & Scanner free?

Spy Camera Detector & Scanner is free to download, with in-app purchases available.

### Which has better reviews, EMF Detector or Spy Camera Detector & Scanner?

Spy Camera Detector & Scanner is rated higher. EMF Detector averages 4.4 out of 5 from 339 ratings, while Spy Camera Detector & Scanner averages 4.6 from 2K ratings.

### Do EMF Detector or Spy Camera Detector & Scanner have ads?

Spy Camera Detector & Scanner shows ads; EMF Detector does not.

### Which is updated more often, EMF Detector or Spy Camera Detector & Scanner?

EMF Detector ships an update every 2 weeks, and Spy Camera Detector & Scanner every 8 months. Most recently, EMF Detector was updated on October 24, 2026 and Spy Camera Detector & Scanner on October 24, 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.*