# RadioactivityCounter vs EMF Meter Scanner Detector

The clearest difference is rating: EMF Meter Scanner Detector at 4.8 against RadioactivityCounter's 3.1. EMF Meter Scanner Detector also leads on update cadence (monthly vs every 15 months) and ratings volume (525 vs 10). RadioactivityCounter's advantage is in-app purchases (none vs 2) and iOS requirement (8.0 vs 12.1). On price, ads and device support there is nothing between them.

RadioactivityCounter costs $4.99 and EMF Meter Scanner Detector $4.99 up front. EMF Meter Scanner Detector sells 2 one-off in-app purchases. RadioactivityCounter asks for nothing beyond the download.

EMF Meter Scanner Detector holds the better App Store score, 4.8 against 3.1. That said, the two scores are not equally well evidenced: EMF Meter Scanner Detector has 525 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 68% of RadioactivityCounter's written reviews are positive against 87% of EMF Meter Scanner Detector's.

RadioactivityCounter ships an update every 15 months, EMF Meter Scanner Detector monthly. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | RadioactivityCounter | EMF Meter Scanner Detector |
| --- | --- | --- |
| Price | $4.99 | $4.99 |
| Rating | [3.1 (10 ratings)](https://appshunter.io/ios/app/radioactivitycounter/id464004677/reviews) | **[4.8 (525 ratings)](https://appshunter.io/ios/app/emf-meter-scanner-detector/id1565532516/reviews)** |
| Number of ratings | 10 | **525** |
| Positive reviews | 68.4% of reviews | **86.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 15 months | **Monthly** |
| Monetization | Paid | **Free** |
| Size | 11 MB | 79 MB |
| Requires iOS | **8.0** | 12.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Dipl.-Ing. Rolf-Dieter Klein](https://appshunter.io/developer/309148367) | [Jorge Gregorio Martin Bello](https://appshunter.io/developer/567988393) |

## What reviewers say

### RadioactivityCounter

[App page](https://appshunter.io/ios/app/radioactivitycounter/id464004677)

Transform your phone into a functional radioactivity counter. Measure gamma and some beta radiation using your device's camera sensor after calibration. Useful for personal use and experimentation with radiation sources.

**Highlights:** Real radioactivity counter functionality, Converts phone into Geiger Müller Counter, Measures gamma and some beta radiation, Requires calibration for accuracy, Expert setup for precise measurements, Supports various iPhone and iPad models

**Features:** macOS Compatibility

**In-app purchases:** none


### EMF Meter Scanner Detector

[App page](https://appshunter.io/ios/app/emf-meter-scanner-detector/id1565532516)

Measure electromagnetic field (EMF) levels around you to assess potential environmental risks. This tool helps you identify high-exposure areas and provides data for informed decisions about your surroundings. It offers automatic saving, value averaging, and data sharing capabilities without requiring specialized hardware.

**Highlights:** Measure EMF levels, Identify risk zones, Automatic value saving, Average measurement values, Share data in CSV format, Informative EMF content

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $0.99 | one-time |
| Unlock all Features | $2.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Accurate readings
- 💡 Helpful for detecting EMF sources
- 🔍 Useful for paranormal investigations
- ⭐ Great app overall

**What reviewers complain about**

- 🐛 Occasional inaccurate readings
- 🔍 Limited functionality for advanced users
- 💰 Paid version required for full features

**Reported bugs**

- App crashes on older devices
- Paid version not working as expected

**Requested features**

- More detailed EMF data and analysis
- Compatibility with external EMF meters
- Customizable alert thresholds


## Frequently asked questions

### Is RadioactivityCounter free?

RadioactivityCounter costs $4.99, with no in-app purchases.

### Is EMF Meter Scanner Detector free?

EMF Meter Scanner Detector costs $4.99, and also offers in-app purchases.

### Which has better reviews, RadioactivityCounter or EMF Meter Scanner Detector?

EMF Meter Scanner Detector is rated higher. RadioactivityCounter averages 3.1 out of 5 from 10 ratings, while EMF Meter Scanner Detector averages 4.8 from 525 ratings.

### Do RadioactivityCounter or EMF Meter Scanner Detector have ads?

Neither RadioactivityCounter nor EMF Meter Scanner Detector shows ads.

### Which is updated more often, RadioactivityCounter or EMF Meter Scanner Detector?

RadioactivityCounter ships an update every 15 months, and EMF Meter Scanner Detector monthly. Most recently, RadioactivityCounter was updated on October 30, 2026 and EMF Meter Scanner Detector on October 24, 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.*