# Radioactivity Conversion vs TeslaVision EMF Detector

The clearest difference is rating: TeslaVision EMF Detector at 4.4 against Radioactivity Conversion's 3.0. TeslaVision EMF Detector also leads on review sentiment (33% vs 0%) and update cadence (every 13 months vs every 28 months). Radioactivity Conversion's advantage is price ($2.99 vs $4.99) and device support (3 vs 1). On ads, in-app purchases and monetization model there is nothing between them.

Radioactivity Conversion costs $2.99 and TeslaVision EMF Detector $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

TeslaVision EMF Detector holds the better App Store score, 4.4 against 3.0. That said, the two scores are not equally well evidenced: TeslaVision EMF Detector has 10 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 0% of Radioactivity Conversion's written reviews are positive against 33% of TeslaVision EMF Detector's.

Radioactivity Conversion ships an update every 28 months, TeslaVision EMF Detector every 13 months. The most recent releases landed on September 30, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Radioactivity Conversion | TeslaVision EMF Detector |
| --- | --- | --- |
| Price | **$2.99** | $4.99 |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/radioactivity-conversion/id561349846/reviews) | **[4.4 (10 ratings)](https://appshunter.io/ios/app/teslavision-emf-detector/id6469668984/reviews)** |
| Number of ratings | 2 | **10** |
| Positive reviews | 0.0% of reviews | **33.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 28 months | **Every 13 months** |
| Monetization | Paid | Paid |
| Size | 1 MB | 2 MB |
| Requires iOS | **13** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Nitrio](https://appshunter.io/developer/321121189) | [Michael Weber](https://appshunter.io/developer/349078052) |

## What reviewers say

### Radioactivity Conversion

[App page](https://appshunter.io/ios/app/radioactivity-conversion/id561349846)

Easily convert between various units related to radioactive decay. Understand the process of emitting radioactive particles and the properties of elements exhibiting radioactivity.

**Highlights:** Radioactive decay unit conversion, Information on radioactive decay process, Details on radioactive particles, Explanation of half-life, Properties of radioactive elements

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

**In-app purchases:** none


### TeslaVision EMF Detector

[App page](https://appshunter.io/ios/app/teslavision-emf-detector/id6469668984)

Detect, measure, and visualize ambient electromagnetic fields in real-time. This professional-grade tool offers detailed analysis, data export, and customizable settings for monitoring your electromagnetic environment.

**Highlights:** Real-time EMF measurement, 2D and 3D EMF visualization, Raw EMF data export, Customizable EMF calibration, Adjustable EMF sensitivity, Record and analyze EMF sessions

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Radioactivity Conversion free?

Radioactivity Conversion costs $2.99, with no in-app purchases.

### Is TeslaVision EMF Detector free?

TeslaVision EMF Detector costs $4.99, with no in-app purchases.

### Which has better reviews, Radioactivity Conversion or TeslaVision EMF Detector?

TeslaVision EMF Detector is rated higher. Radioactivity Conversion averages 3.0 out of 5 from 2 ratings, while TeslaVision EMF Detector averages 4.4 from 10 ratings.

### Do Radioactivity Conversion or TeslaVision EMF Detector have ads?

Neither Radioactivity Conversion nor TeslaVision EMF Detector shows ads.

### Which is updated more often, Radioactivity Conversion or TeslaVision EMF Detector?

Radioactivity Conversion ships an update every 28 months, and TeslaVision EMF Detector every 13 months. Most recently, Radioactivity Conversion was updated on September 30, 2026 and TeslaVision EMF Detector on October 1, 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.*