# PRO vs RadonEye

The clearest difference is monetization model: PRO at free against RadonEye's paid. PRO also leads on update cadence (monthly vs every 3 months). RadonEye's advantage is review sentiment (20% vs 4%) and iOS requirement (13.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

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

PRO ships an update monthly, RadonEye every 3 months. The most recent releases landed on June 27, 2026 and August 7, 2026 respectively.

## The numbers

| Metric | PRO | RadonEye |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.4 (47 ratings)](https://appshunter.io/ios/app/radoneye/id1491883383/reviews)** |
| Number of ratings | — | **47** |
| Positive reviews | 4.1% of reviews | **19.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | **Free** | Paid |
| Size | 5 MB | 29 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [PROFESSIONAL LABORATORIES, INC](https://appshunter.io/developer/1251063237) | [FTLab](https://appshunter.io/developer/897369751) |

## 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

**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


### RadonEye

[App page](https://appshunter.io/ios/app/radoneye/id1491883383)

This smart device provides real-time radon detection for your home. It offers high sensitivity and accurate measurements, with data accessible and configurable via a smartphone app.

**Highlights:** Real-time radon detection, High sensitivity and accuracy, Dual ionization chamber system, Fast initial data output (<1 hour), Bluetooth smartphone connectivity, Data recording and graphing, Customizable alarm settings

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PRO free?

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

### Is RadonEye free?

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

### Do PRO or RadonEye have ads?

Neither PRO nor RadonEye shows ads.

### Which is updated more often, PRO or RadonEye?

PRO ships an update monthly, and RadonEye every 3 months. Most recently, PRO was updated on June 27, 2026 and RadonEye on August 7, 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.*