# PRO vs Airthings

The clearest difference is review sentiment: Airthings at 33% against PRO's 4%. Airthings also leads on update cadence (fortnightly vs monthly). PRO's advantage is monetization model (free vs free with in-app purchases). 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, Airthings fortnightly. The most recent releases landed on June 27, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | PRO | Airthings |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (3K ratings)](https://appshunter.io/ios/app/airthings/id1560329275/reviews)** |
| Number of ratings | — | **3K** |
| Positive reviews | 4.1% of reviews | **33.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 5 MB | 102 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [PROFESSIONAL LABORATORIES, INC](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

**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


### 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 PRO free?

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

### Is Airthings free?

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

### Do PRO or Airthings have ads?

Neither PRO nor Airthings shows ads.

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

PRO ships an update monthly, and Airthings fortnightly. Most recently, PRO was updated on June 27, 2026 and Airthings on September 22, 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.*