# Air Quality Cat vs AirQualityMeter

The clearest difference is ads: Air Quality Cat at none against AirQualityMeter's shown. Air Quality Cat also leads on iOS requirement (11.0 vs 16.6). On price, update cadence, 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.

Air Quality Cat ships an update every 3 months, AirQualityMeter every 6 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Air Quality Cat | AirQualityMeter |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 6 months |
| Monetization | — | Ad-supported |
| Size | 122 MB | 10 MB |
| Requires iOS | **11.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Guizhou Oupeike Technology Co., Ltd.](https://appshunter.io/developer/1251301224) | [Yuta Endo](https://appshunter.io/developer/1621719139) |

## What reviewers say

### Air Quality Cat

[App page](https://appshunter.io/ios/app/air-quality-cat/id1477795884)

**Features:** macOS Compatibility

**In-app purchases:** none


### AirQualityMeter

[App page](https://appshunter.io/ios/app/airqualitymeter/id1660451275)

This app provides real-time air quality measurements and forecasts up to 24 hours in advance. It helps users manage their physical condition and prepare for allergies by notifying them of pollutants like PM2.5 and PM10. Location services enable automatic weather data acquisition for your current area.

**Highlights:** Real-time air pollutant notifications (PM2.5, PM10), 24-hour air pollution level forecast, Global coverage, Automatic location-based weather data, Allergy countermeasure information

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

**In-app purchases:** none


## Frequently asked questions

### Is Air Quality Cat free?

Air Quality Cat is free to download, with no in-app purchases.

### Is AirQualityMeter free?

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

### Do Air Quality Cat or AirQualityMeter have ads?

AirQualityMeter shows ads; Air Quality Cat does not.

### Which is updated more often, Air Quality Cat or AirQualityMeter?

Air Quality Cat ships an update every 3 months, and AirQualityMeter every 6 months. Most recently, Air Quality Cat was updated on November 3, 2026 and AirQualityMeter on November 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*