# RadonPRO vs Corentium Pro by Airthings

The clearest difference is rating: RadonPRO at 5.0 against Corentium Pro by Airthings's 2.3. RadonPRO also leads on update cadence (every 3 weeks vs every 2 months). Corentium Pro by Airthings's advantage is ratings volume (24 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

RadonPRO holds the better App Store score, 5.0 against 2.3. That said, the two scores are not equally well evidenced: Corentium Pro by Airthings has 24 ratings behind it against 1, so its average is the more settled of the two.

RadonPRO ships an update every 3 weeks, Corentium Pro by Airthings every 2 months. The most recent releases landed on September 18, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | RadonPRO | Corentium Pro by Airthings |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/radonpro/id1157657879/reviews)** | [2.3 (24 ratings)](https://appshunter.io/ios/app/corentium-pro-by-airthings/id1493964577/reviews) |
| Number of ratings | 1 | **24** |
| Positive reviews | — | 20.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 36 MB | 57 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gregory Enterprises](https://appshunter.io/developer/1157657878) | [Airthings ASA](https://appshunter.io/developer/1101077902) |

## What reviewers say

### RadonPRO

[App page](https://appshunter.io/ios/app/radonpro/id1157657879)

Connect wirelessly to your RadonPRO monitor to start tests and download data without an internet connection. Generate automatic PDF reports for unlimited customer management in the cloud.

**Highlights:** Wireless connection to RadonPRO monitor, Start tests remotely, Download data wirelessly, Unlimited cloud reporting, Automatic PDF report generation, Customer management

**Features:** macOS Compatibility

**In-app purchases:** none


### Corentium Pro by Airthings

[App page](https://appshunter.io/ios/app/corentium-pro-by-airthings/id1493964577)

This application connects to a specific radon instrument to initiate tests, collect data, and create customized reports. It features a redesigned interface for easier navigation and an online dashboard for data storage and analysis. Professionals can add property details, photos, and secure instruments to their company.

**Highlights:** Connect to Corentium Pro Radon instrument, Start radon tests remotely, Retrieve test data, Generate custom reports, Redesigned user interface, Online dashboard for data storage, Secure instrument to company

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is RadonPRO free?

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

### Is Corentium Pro by Airthings free?

Corentium Pro by Airthings is free to download, with no in-app purchases.

### Which has better reviews, RadonPRO or Corentium Pro by Airthings?

RadonPRO is rated higher. RadonPRO averages 5.0 out of 5 from 1 ratings, while Corentium Pro by Airthings averages 2.3 from 24 ratings.

### Do RadonPRO or Corentium Pro by Airthings have ads?

Neither RadonPRO nor Corentium Pro by Airthings shows ads.

### Which is updated more often, RadonPRO or Corentium Pro by Airthings?

RadonPRO ships an update every 3 weeks, and Corentium Pro by Airthings every 2 months. Most recently, RadonPRO was updated on September 18, 2026 and Corentium Pro by Airthings on September 23, 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.*