# EMF Radiation Detector Reader vs Mendi Neurosight

The clearest difference is rating: EMF Radiation Detector Reader at 4.5 against Mendi Neurosight's 3.0. EMF Radiation Detector Reader also leads on ratings volume (5K vs 1). Mendi Neurosight's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price, update cadence, 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. Mendi Neurosight asks for nothing beyond the download.

EMF Radiation Detector Reader holds the better App Store score, 4.5 against 3.0. That said, the two scores are not equally well evidenced: EMF Radiation Detector Reader has 5K ratings behind it against 1, so its average is the more settled of the two.

EMF Radiation Detector Reader ships an update every 6 months, Mendi Neurosight every 3 months. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | EMF Radiation Detector Reader | Mendi Neurosight |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (5K ratings)](https://appshunter.io/ios/app/emf-radiation-detector-reader/id1507914734/reviews)** | [3.0 (1 ratings)](https://appshunter.io/ios/app/mendi-neurosight/id6717588307/reviews) |
| Number of ratings | **5K** | 1 |
| Positive reviews | 53.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 3 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 20 MB | 69 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Rounding Squares BV](https://appshunter.io/developer/976539506) | [Mendi Innovations AB](https://appshunter.io/developer/1463276456) |

## 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


### Mendi Neurosight

[App page](https://appshunter.io/ios/app/mendi-neurosight/id6717588307)

Record and tag real-time brain activity using fNIRS technology. Securely sync encrypted data to a web platform for review, visualization, and export. Designed for researchers needing robust data control and privacy.

**Highlights:** Real-time fNIRS brain activity recording, Event tagging during sessions, Secure data syncing to web app, Encrypted and secure data storage, Data review, visualization, and export

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

**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 Mendi Neurosight free?

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

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

EMF Radiation Detector Reader is rated higher. EMF Radiation Detector Reader averages 4.5 out of 5 from 5K ratings, while Mendi Neurosight averages 3.0 from 1 ratings.

### Do EMF Radiation Detector Reader or Mendi Neurosight have ads?

EMF Radiation Detector Reader shows ads; Mendi Neurosight does not.

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

EMF Radiation Detector Reader ships an update every 6 months, and Mendi Neurosight every 3 months. Most recently, EMF Radiation Detector Reader was updated on November 7, 2026 and Mendi Neurosight on October 30, 2026.

---

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