# Air Matters vs Zonnetijd

The clearest difference is in-app purchases: Zonnetijd at none against Air Matters's 2. Zonnetijd also leads on ads (none vs shown) and update cadence (every 2 weeks vs monthly). Air Matters's advantage is device support (4 vs 1) and iOS requirement (15.0 vs 17.0). On price there is nothing between them.

Both are free to download. Air Matters sells 2 in-app purchases, starting at $4.99 per year. Zonnetijd asks for nothing beyond the download.

Air Matters ships an update monthly, Zonnetijd every 2 weeks. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Air Matters | Zonnetijd |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (2.5K ratings)](https://appshunter.io/ios/app/air-matters/id477700080/reviews)** | — |
| Number of ratings | **2.5K** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 153 MB | 1 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Air Matters Network Pty Ltd](https://appshunter.io/developer/477700083) | [Attila Van der Velde](https://appshunter.io/developer/6795551954) |

## What reviewers say

### Air Matters

[App page](https://appshunter.io/ios/app/air-matters/id477700080)

Access real-time global air quality data for over 180 countries, including pollen forecasts for the US and Europe. Receive pollution and pollen alerts, and customize air quality standards. Integrates with smart air monitors and purifiers for indoor air quality insights and control.

**Highlights:** Real-time global air quality data, Pollen data & forecast (US/Europe), Customizable air quality standards, Pollution & pollen alerts, Desktop icon air quality index, Apple Watch complications, Smart air monitor/purifier integration

**Features:** macOS Compatibility, Apple Watch app, iMessage stickers, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Air Matters Premium | $4.99 | per year |
| Remove ADs | $0.99 | one-time |

**What reviewers like**

- 🚀 Convenient for checking air quality
- 📊 Detailed air quality data
- 🌍 Worldwide coverage
- 🔌 Integration with air purifiers
- ⌚️ Apple Watch support

**What reviewers complain about**

- 🐛 Crashes and stability issues
- 🔍 Inaccurate or misleading data
- 🔌 Connectivity problems with air purifiers
- 🔋 High battery consumption
- 🗺️ Limited location coverage

**Reported bugs**

- Crashes on startup
- Saved locations not persisting
- Incorrect air quality index readings
- Sync issues with air purifiers
- Unreliable widget updates

**Requested features**

- Dark mode option
- Historical air quality data
- Customizable data sources
- Improved Apple Watch complications
- Pollen count tracking


### Zonnetijd

[App page](https://appshunter.io/ios/app/zonnetijd/id6795551952)

**In-app purchases:** none


## Frequently asked questions

### Is Air Matters free?

Air Matters is free to download, with in-app purchases available.

### Is Zonnetijd free?

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

### Do Air Matters or Zonnetijd have ads?

Air Matters shows ads; Zonnetijd does not.

### Which is updated more often, Air Matters or Zonnetijd?

Air Matters ships an update monthly, and Zonnetijd every 2 weeks. Most recently, Air Matters was updated on October 26, 2026 and Zonnetijd on October 25, 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.*