# 江苏空气质量 vs AirQualityMeter

The clearest difference is ads: 江苏空气质量 at none against AirQualityMeter's shown. 江苏空气质量 also leads on update cadence (every 10 days vs every 6 months) and iOS requirement (14.0 vs 16.6). AirQualityMeter's advantage is review sentiment (50% vs 33%). On price, 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.

江苏空气质量 ships an update every 10 days, AirQualityMeter every 6 months. The most recent releases landed on October 8, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 江苏空气质量 | AirQualityMeter |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 10 days** | Every 6 months |
| Monetization | — | Ad-supported |
| Size | 2 MB | 10 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [中科三清科技有限公司](https://appshunter.io/developer/1211590929) | [Yuta Endo](https://appshunter.io/developer/1621719139) |

## What reviewers say

### 江苏空气质量

[App page](https://appshunter.io/ios/app/id1440697804)

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

**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 江苏空气质量 free?

江苏空气质量 is free to download, with no in-app purchases.

### Is AirQualityMeter free?

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

### Do 江苏空气质量 or AirQualityMeter have ads?

AirQualityMeter shows ads; 江苏空气质量 does not.

### Which is updated more often, 江苏空气质量 or AirQualityMeter?

江苏空气质量 ships an update every 10 days, and AirQualityMeter every 6 months. Most recently, 江苏空气质量 was updated on October 8, 2026 and AirQualityMeter on October 24, 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.*