# PRO vs Corentium Pro by Airthings

The clearest difference is rating: Corentium Pro by Airthings at 2.3 against PRO's 1.0. Corentium Pro by Airthings also leads on ratings volume (24 vs 1) and review sentiment (21% vs 4%). 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.

Corentium Pro by Airthings holds the better App Store score, 2.3 against 1.0. 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. Written reviews point the same way: 4% of PRO's written reviews are positive against 21% of Corentium Pro by Airthings's.

PRO ships an update every 5 weeks, Corentium Pro by Airthings every 2 months. The most recent releases landed on October 22, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | PRO | Corentium Pro by Airthings |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/pro-lab-test-kits/id1451845323/reviews) | **[2.3 (24 ratings)](https://appshunter.io/ios/app/corentium-pro-by-airthings/id1493964577/reviews)** |
| Number of ratings | 1 | **24** |
| Positive reviews | 4.1% of reviews | **20.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 5 MB | 57 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Professional Laboratories](https://appshunter.io/developer/1251063237) | [Airthings ASA](https://appshunter.io/developer/1101077902) |

## What reviewers say

### PRO

[App page](https://appshunter.io/ios/app/pro-lab-test-kits/id1451845323)

This app provides access to a comprehensive range of home safety test kits. These kits accurately measure dangerous pollutants and contaminants in your home or office. All analyses are conducted by accredited laboratories using approved methods.

**Highlights:** Home safety test kits, Pollutant measurement, Contaminant detection, Laboratory analysis, Non-toxic kits

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Simple registration process
- 📧 Email notification for test results

**What reviewers complain about**

- 🚫 Doesn't work for Canadian users
- 🐛 Registration issues - 'all fields required' error
- 💤 App is not updated or maintained
- 🤔 Unclear purpose and functionality of the app

**Reported bugs**

- Registration process doesn't work
- App crashes on certain devices
- Incompatible with current OS versions

**Requested features**

- Ability to save and view historical test results
- Option to pay for tests through the app
- Support for Canadian addresses and postal codes


### 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 PRO free?

PRO 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, PRO or Corentium Pro by Airthings?

Corentium Pro by Airthings is rated higher. PRO averages 1.0 out of 5 from 1 ratings, while Corentium Pro by Airthings averages 2.3 from 24 ratings.

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

Neither PRO nor Corentium Pro by Airthings shows ads.

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

PRO ships an update every 5 weeks, and Corentium Pro by Airthings every 2 months. Most recently, PRO was updated on October 22, 2026 and Corentium Pro by Airthings on October 23, 2026.

---

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