# RadonEye vs Airthings

The clearest difference is rating: Airthings at 4.4 against RadonEye's 2.3. Airthings also leads on update cadence (fortnightly vs every 3 months) and ratings volume (3K vs 52). RadonEye's advantage is iOS requirement (13.0 vs 17.6). 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.

Airthings holds the better App Store score, 4.4 against 2.3. That said, the two scores are not equally well evidenced: Airthings has 3K ratings behind it against 52, so its average is the more settled of the two. Written reviews point the same way: 20% of RadonEye's written reviews are positive against 33% of Airthings's.

RadonEye ships an update every 3 months, Airthings fortnightly. The most recent releases landed on October 23, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | RadonEye | Airthings |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (52 ratings)](https://appshunter.io/ios/app/radoneye/id1491883383/reviews) | **[4.4 (3K ratings)](https://appshunter.io/ios/app/airthings/id1560329275/reviews)** |
| Number of ratings | 52 | **3K** |
| Positive reviews | 19.6% of reviews | **33.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 29 MB | 104 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [FTLab](https://appshunter.io/developer/897369751) | [Airthings ASA](https://appshunter.io/developer/1101077902) |

## What reviewers say

### 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


### Airthings

[App page](https://appshunter.io/ios/app/airthings/id1560329275)

Monitor and improve your indoor air quality with smart devices. Get real-time insights, track trends, and receive actionable advice to enhance focus, reduce allergies, and sleep better. Control your air purifier and stay informed about pollen forecasts.

**Highlights:** Quick device setup, At-a-glance air quality indicators, Detailed trend tracking, Air purifier remote control, 5-day pollen forecast, Air quality notifications, Personalized air reports

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Simple to understand and setup
- 🚀 Intuitive and easy to use app
- 🚀 Efficient and fast
- 🚀 Provides great information on air quality
- 🚀 Accurate and reliable sensor readings

**What reviewers complain about**

- 🐛 App has connectivity issues, often fails to sync
- 🐛 App is buggy and has many errors
- 🐛 Inaccurate or inconsistent sensor readings
- 🐛 Difficult to set up and connect devices
- 🐛 Lack of customization options for thresholds and notifications

**Reported bugs**

- App crashes frequently
- Unable to add new devices or accounts
- Incorrect color coding and data display
- Delayed or missing sensor data updates
- Bluetooth connectivity issues

**Requested features**

- Add HomeKit integration
- Allow custom thresholds and notifications
- Improve data visualization and historical trending
- Add more detailed information on air quality issues and remedies
- Provide an iPad-optimized version of the app


## Frequently asked questions

### Is RadonEye free?

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

### Is Airthings free?

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

### Which has better reviews, RadonEye or Airthings?

Airthings is rated higher. RadonEye averages 2.3 out of 5 from 52 ratings, while Airthings averages 4.4 from 3K ratings.

### Do RadonEye or Airthings have ads?

Neither RadonEye nor Airthings shows ads.

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

RadonEye ships an update every 3 months, and Airthings fortnightly. Most recently, RadonEye was updated on October 23, 2026 and Airthings on October 30, 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.*