# Airthings vs MSD Event Hub

The clearest difference is rating: MSD Event Hub at 5.0 against Airthings's 4.4. MSD Event Hub also leads on monetization model (free vs free with in-app purchases). Airthings's advantage is ratings volume (3K vs 1) and update cadence (fortnightly vs every 2 months). 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.

MSD Event Hub holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Airthings has 3K ratings behind it against 1, so its average is the more settled of the two.

Airthings ships an update fortnightly, MSD Event Hub every 2 months. The most recent releases landed on October 27, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Airthings | MSD Event Hub |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (3K ratings)](https://appshunter.io/ios/app/airthings/id1560329275/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/msd-event-hub/id1640552204/reviews)** |
| Number of ratings | **3K** | 1 |
| Positive reviews | 33.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 104 MB | 77 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Airthings ASA](https://appshunter.io/developer/1101077902) | [Merck Sharp & Dohme LLC](https://appshunter.io/developer/718617686) |

## What reviewers say

### 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


### MSD Event Hub

[App page](https://appshunter.io/ios/app/msd-event-hub/id1640552204)

Enhance your event experience with real-time engagement tools. Connect with fellow attendees, access event content, and personalize your schedule. Participate in interactive polls, surveys, games, and discussions for a more dynamic event.

**Highlights:** Personalized agenda building, Live polls and surveys, Interactive games, Attendee networking, Event content access, Live discussions

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

**In-app purchases:** none


## Frequently asked questions

### Is Airthings free?

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

### Is MSD Event Hub free?

MSD Event Hub is free to download, with no in-app purchases.

### Which has better reviews, Airthings or MSD Event Hub?

MSD Event Hub is rated higher. Airthings averages 4.4 out of 5 from 3K ratings, while MSD Event Hub averages 5.0 from 1 ratings.

### Do Airthings or MSD Event Hub have ads?

Neither Airthings nor MSD Event Hub shows ads.

### Which is updated more often, Airthings or MSD Event Hub?

Airthings ships an update fortnightly, and MSD Event Hub every 2 months. Most recently, Airthings was updated on October 27, 2026 and MSD Event Hub on October 16, 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.*