# EMF Radiation Detector Reader vs DeFNCE

The clearest difference is review sentiment: DeFNCE at 100% against EMF Radiation Detector Reader's 53%. DeFNCE also leads on in-app purchases (none vs 2) and update cadence (every 4 weeks vs every 7 months). EMF Radiation Detector Reader's advantage is rating (4.5 vs 1.0) and ratings volume (4.7K vs 1). On price, ads and device support 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. DeFNCE asks for nothing beyond the download.

EMF Radiation Detector Reader holds the better App Store score, 4.5 against 1.0. That said, the two scores are not equally well evidenced: EMF Radiation Detector Reader has 4.7K ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 53% of EMF Radiation Detector Reader's written reviews are positive against 100% of DeFNCE's, so the app with the better star average is not the one people write more warmly about.

EMF Radiation Detector Reader ships an update every 7 months, DeFNCE every 4 weeks. The most recent releases landed on October 15, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | EMF Radiation Detector Reader | DeFNCE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (4.7K ratings)](https://appshunter.io/ios/app/emf-radiation-detector-reader/id1507914734/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/defnce/id1600654789/reviews) |
| Number of ratings | **4.7K** | 1 |
| Positive reviews | 53.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 7 months | **Every 4 weeks** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 20 MB | 55 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rounding Squares BV](https://appshunter.io/developer/976539506) | [Cyfirma Holdings Pte Ltd](https://appshunter.io/developer/1600654791) |

## 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


### DeFNCE

[App page](https://appshunter.io/ios/app/defnce/id1600654789)

Learn essential cyber safety habits to protect your digital identity and data. Understand emerging threats like phishing and social engineering, and assess your personal cyber risk.

**Highlights:** Assess cyber risk status, Secure digital identity and emails, Optimize device security settings, Learn about phishing campaigns, Stay updated on cybercriminal activities

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EMF Radiation Detector Reader free?

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

### Is DeFNCE free?

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

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

EMF Radiation Detector Reader is rated higher. EMF Radiation Detector Reader averages 4.5 out of 5 from 4.7K ratings, while DeFNCE averages 1.0 from 1 ratings.

### Do EMF Radiation Detector Reader or DeFNCE have ads?

Both EMF Radiation Detector Reader and DeFNCE show ads.

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

EMF Radiation Detector Reader ships an update every 7 months, and DeFNCE every 4 weeks. Most recently, EMF Radiation Detector Reader was updated on October 15, 2026 and DeFNCE on October 2, 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.*