# EMF Radiation Detector Reader vs Hidden Camera

EMF Radiation Detector Reader and Hidden Camera both sit at 4.5 stars, but that hides the real split: 53% of EMF Radiation Detector Reader's written reviews are positive against 0% of Hidden Camera's. EMF Radiation Detector Reader also leads on ratings volume (4.7K vs 180). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. EMF Radiation Detector Reader sells 2 in-app purchases, starting at $1.99 per 7 days and Hidden Camera sells 6 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.5 for EMF Radiation Detector Reader against 4.5 for Hidden Camera. That said, the two scores are not equally well evidenced: EMF Radiation Detector Reader has 4.7K ratings behind it against 180, so its average is the more settled of the two. Written reviews are what separate them: 53% of EMF Radiation Detector Reader's written reviews are positive against 0% of Hidden Camera's.

EMF Radiation Detector Reader ships an update every 7 months, Hidden Camera every 4 months. The most recent releases landed on September 24, 2026 and August 26, 2026 respectively.

## The numbers

| Metric | EMF Radiation Detector Reader | Hidden Camera |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (4.7K ratings)](https://appshunter.io/ios/app/emf-radiation-detector-reader/id1507914734/reviews)** | [4.5 (180 ratings)](https://appshunter.io/ios/app/hidden-camera-detect-tracker/id6480924058/reviews) |
| Number of ratings | **4.7K** | 180 |
| Positive reviews | **53.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 7 months | **Every 4 months** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 20 MB | 27 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rounding Squares BV](https://appshunter.io/developer/976539506) | [Vicky Harris](https://appshunter.io/developer/1727519621) |

## What reviewers say

### EMF Radiation Detector Reader

[App page](https://appshunter.io/ios/app/emf-radiation-detector-reader/id1507914734)

Detect electromagnetic fields (EMF) around you using your phone's sensors. Identify high-radiation zones in your home and workplace to better organize your environment and potentially improve well-being. Measure EMF emitted by various electronic devices and appliances.

**Highlights:** Detect EMF radiation, Measure EMF levels, Identify risk zones, Organize living space, Measure appliance emissions, No expensive equipment needed

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EMF Radiation Detector Premium Week | $1.99 | per 7 days |
| EMF Radiation Detector Premium Year | $9.99 | per year |

**What reviewers like**

- 👍 Works well around microwave
- 👍 Consistent results
- 👍 Useful tool for detecting EMF
- 👍 Legit EMF detection
- 👍 Helps find problem areas

**What reviewers complain about**

- 🐛 Ads cover reading numbers
- 🔍 Unclear how to interpret readings
- ⚠️ Questionable accuracy, only detects magnets
- 🔍 No explanation of safe/unsafe levels
- 🐛 Doesn't detect radio frequencies

**Reported bugs**

- Readings inconsistent or inaccurate
- Doesn't work as expected, only detects magnets

**Requested features**

- Add sound or vibration alerts for high EMF
- Provide more information on EMF levels and safety
- Improve layout to avoid ads covering readings


### Hidden Camera

[App page](https://appshunter.io/ios/app/hidden-camera-detect-tracker/id6480924058)

This app helps you detect hidden devices like cameras and listening equipment using various signal scanning technologies. It identifies suspicious signals and provides information to help you investigate and secure your personal space.

**Highlights:** Bluetooth and Wi-Fi scanning, Infrared detection, Magnetic detection, Detailed device information, Search guides for investigation

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hidden Camera－Device Detector | $6.99 | per 7 days |
| Home Security & WIFI Analyzer | $9.99 | per 7 days |
| Hidden Camera－Device Detector | $14.99 | per month |
| Hidden Camera－Device Detector | $15.99 | per month |
| Hidden Camera－Device Detector | $83.99 | per year |
| Secret Home Camera Finder | $99.99 | per year |


## Frequently asked questions

### Is EMF Radiation Detector Reader free?

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

### Is Hidden Camera free?

Hidden Camera is free to download, with in-app purchases available.

### Which has better reviews, EMF Radiation Detector Reader or Hidden Camera?

EMF Radiation Detector Reader is rated higher. EMF Radiation Detector Reader averages 4.5 out of 5 from 4.7K ratings, while Hidden Camera averages 4.5 from 180 ratings.

### Do EMF Radiation Detector Reader or Hidden Camera have ads?

Both EMF Radiation Detector Reader and Hidden Camera show ads.

### Which is updated more often, EMF Radiation Detector Reader or Hidden Camera?

EMF Radiation Detector Reader ships an update every 7 months, and Hidden Camera every 4 months. Most recently, EMF Radiation Detector Reader was updated on September 24, 2026 and Hidden Camera on August 26, 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.*