# Mysa vs Airthings

The clearest difference is rating: Airthings at 4.4 against Mysa's 3.8. Airthings also leads on ratings volume (3K vs 571). Mysa's advantage is iOS requirement (15.1 vs 17.6). On price, review sentiment, update cadence and ads 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 3.8. That said, the two scores are not equally well evidenced: Airthings has 3K ratings behind it against 571, so its average is the more settled of the two. Written reviews point the same way: 30% of Mysa's written reviews are positive against 33% of Airthings's.

Mysa ships an update every 4 weeks, Airthings fortnightly. The most recent releases landed on September 21, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Mysa | Airthings |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (571 ratings)](https://appshunter.io/ios/app/mysa/id1250453565/reviews) | **[4.4 (3K ratings)](https://appshunter.io/ios/app/airthings/id1560329275/reviews)** |
| Number of ratings | 571 | **3K** |
| Positive reviews | 29.7% of reviews | **33.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 53 MB | 102 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Empowered Homes Inc.](https://appshunter.io/developer/1250453564) | [Airthings ASA](https://appshunter.io/developer/1101077902) |

## What reviewers say

### Mysa

[App page](https://appshunter.io/ios/app/mysa/id1250453565)

Control your home's heating and cooling remotely, set schedules, and monitor energy usage to save money and energy. Integrates with smart home platforms for seamless control.

**Highlights:** Remote access from anywhere, Customizable heating/cooling schedules, Geofencing for occupancy detection, Energy usage monitoring, Smart home platform integration, Shared access control, Vacation mode

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Great product
- 🚀 Excellent thermostats
- 🚀 Allows more metrics than Nest
- 🚀 Excellent HomeKit integration
- 👍 Easy to use

**What reviewers complain about**

- 🐛 Buggy app
- 🐛 Crashes frequently
- 🐛 Unreliable connectivity
- 🐛 Inconsistent user experience
- 🔋 Drains battery

**Reported bugs**

- App crashes when changing schedules
- Thermostat settings not syncing properly
- Geofencing not working as expected
- Incompatibility with newer iOS versions
- Inability to add new devices

**Requested features**

- Dark mode option
- Brightness control scheduling
- Improved HomeKit integration
- Ability to disable display
- Geofencing improvements


### 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 Mysa free?

Mysa 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, Mysa or Airthings?

Airthings is rated higher. Mysa averages 3.8 out of 5 from 571 ratings, while Airthings averages 4.4 from 3K ratings.

### Do Mysa or Airthings have ads?

Neither Mysa nor Airthings shows ads.

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

Mysa ships an update every 4 weeks, and Airthings fortnightly. Most recently, Mysa was updated on September 21, 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.*