# OpenRadiation vs EMF Detector+

The clearest difference is in-app purchases: OpenRadiation at none against EMF Detector+'s 1. OpenRadiation also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.2). EMF Detector+'s advantage is update cadence (every 5 weeks vs every 3 months). On price and ads there is nothing between them.

Both are free to download. EMF Detector+ sells 1 one-off in-app purchase. OpenRadiation asks for nothing beyond the download.

OpenRadiation ships an update every 3 months, EMF Detector+ every 5 weeks. The most recent releases landed on June 1, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | OpenRadiation | EMF Detector+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (4 ratings)](https://appshunter.io/ios/app/openradiation/id1246249831/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 54 MB | 2 MB |
| Requires iOS | **15.0** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Autorite de surete nucleaire et de radioprotection](https://appshunter.io/developer/1861431469) | [Muhammed Efdal incesu](https://appshunter.io/developer/1748859357) |

## What reviewers say

### OpenRadiation

[App page](https://appshunter.io/ios/app/openradiation/id1246249831)

Measure ambient radioactivity levels and assess your exposure to ionizing radiation using a compatible sensor. Contribute to a citizen science project by sharing your measurements to build a collaborative database.

**Highlights:** Measure radioactivity levels, Assess radiation exposure, Contribute to citizen science, Collaborative data database, Share measurements, View data online

**Features:** macOS Compatibility

**In-app purchases:** none


### EMF Detector+

[App page](https://appshunter.io/ios/app/emf-detector-plus/id6657985916)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Emf Detector Lifetime Premium | $2.99 | one-time |


## Frequently asked questions

### Is OpenRadiation free?

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

### Is EMF Detector+ free?

EMF Detector+ is free to download, with in-app purchases available.

### Do OpenRadiation or EMF Detector+ have ads?

Neither OpenRadiation nor EMF Detector+ shows ads.

### Which is updated more often, OpenRadiation or EMF Detector+?

OpenRadiation ships an update every 3 months, and EMF Detector+ every 5 weeks. Most recently, OpenRadiation was updated on June 1, 2026 and EMF Detector+ on September 9, 2026.

---

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