# OpenRadiation vs RadMobile

The clearest difference is iOS requirement: RadMobile at 13.0 against OpenRadiation's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

OpenRadiation ships an update every 3 months, RadMobile every 2 months. The most recent releases landed on June 1, 2026 and May 18, 2026 respectively.

## The numbers

| Metric | OpenRadiation | RadMobile |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 54 MB | 6 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Autorite de surete nucleaire et de radioprotection](https://appshunter.io/developer/1861431469) | [Radiation Solutions Inc](https://appshunter.io/developer/1440487403) |

## 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


### RadMobile

[App page](https://appshunter.io/ios/app/radmobile/id1454535378)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OpenRadiation free?

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

### Is RadMobile free?

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

### Do OpenRadiation or RadMobile have ads?

Neither OpenRadiation nor RadMobile shows ads.

### Which is updated more often, OpenRadiation or RadMobile?

OpenRadiation ships an update every 3 months, and RadMobile every 2 months. Most recently, OpenRadiation was updated on June 1, 2026 and RadMobile on May 18, 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.*