# EMF Radiation Detector Reader vs Netwarden

The clearest difference is in-app purchases: Netwarden at none against EMF Radiation Detector Reader's 2. Netwarden also leads on ads (none vs shown) and update cadence (every 6 days vs every 7 months). On price, device support and iOS requirement 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. Netwarden asks for nothing beyond the download.

EMF Radiation Detector Reader ships an update every 7 months, Netwarden every 6 days. The most recent releases landed on September 24, 2026 and May 15, 2026 respectively.

## The numbers

| Metric | EMF Radiation Detector Reader | Netwarden |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (4.7K ratings)](https://appshunter.io/ios/app/emf-radiation-detector-reader/id1507914734/reviews)** | — |
| Number of ratings | **4.7K** | — |
| Positive reviews | 52.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | **Every 6 days** |
| Monetization | Free with in-app purchases | — |
| Size | 20 MB | 39 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Rounding Squares BV](https://appshunter.io/developer/976539506) | [Netwarden LLC](https://appshunter.io/developer/1849550692) |

## 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


### Netwarden

[App page](https://appshunter.io/ios/app/netwarden/id6754666478)

**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 Netwarden free?

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

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

EMF Radiation Detector Reader shows ads; Netwarden does not.

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

EMF Radiation Detector Reader ships an update every 7 months, and Netwarden every 6 days. Most recently, EMF Radiation Detector Reader was updated on September 24, 2026 and Netwarden on May 15, 2026.

---

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