# EMF Radiation Detector Reader vs ChemTracker

EMF Radiation Detector Reader and ChemTracker both sit at 4.5 stars, but that hides the real split: 100% of ChemTracker's written reviews are positive against 53% of EMF Radiation Detector Reader's. ChemTracker also leads on in-app purchases (none vs 2) and ads (none vs shown). EMF Radiation Detector Reader's advantage is ratings volume (4.7K vs 7). On price, rating 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. ChemTracker asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.5 for EMF Radiation Detector Reader against 4.4 for ChemTracker. That said, the two scores are not equally well evidenced: EMF Radiation Detector Reader has 4.7K ratings behind it against 7, 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 100% of ChemTracker's.

EMF Radiation Detector Reader ships an update every 7 months, ChemTracker every 10 days. The most recent releases landed on October 15, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | EMF Radiation Detector Reader | ChemTracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (4.7K ratings)](https://appshunter.io/ios/app/emf-radiation-detector-reader/id1507914734/reviews)** | [4.4 (7 ratings)](https://appshunter.io/ios/app/chemtracker/id1584781198/reviews) |
| Number of ratings | **4.7K** | 7 |
| Positive reviews | 53.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | **Every 10 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 20 MB | 54 MB |
| Requires iOS | 15.6 | **10.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rounding Squares BV](https://appshunter.io/developer/976539506) | [Alex Jones](https://appshunter.io/developer/1584781200) |

## 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


### ChemTracker

[App page](https://appshunter.io/ios/app/chemtracker/id1584781198)

This app provides a secure platform for users worldwide to submit evidence of air pollution. It aims to create a global record of environmental concerns.

**Highlights:** Secure evidence submission, Global user base, Pollution tracking, Environmental data collection

**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 ChemTracker free?

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

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

EMF Radiation Detector Reader is rated higher. EMF Radiation Detector Reader averages 4.5 out of 5 from 4.7K ratings, while ChemTracker averages 4.4 from 7 ratings.

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

EMF Radiation Detector Reader shows ads; ChemTracker does not.

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

EMF Radiation Detector Reader ships an update every 7 months, and ChemTracker every 10 days. Most recently, EMF Radiation Detector Reader was updated on October 15, 2026 and ChemTracker on October 7, 2026.

---

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