# 江苏空气质量 vs 广东省空气质量实况与预报手机发布系统Pub

The clearest difference is update cadence: 江苏空气质量 at every 10 days against 广东省空气质量实况与预报手机发布系统Pub's every 3 months. 广东省空气质量实况与预报手机发布系统Pub's advantage is iOS requirement (7.0 vs 14.0). 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.

江苏空气质量 ships an update every 10 days, 广东省空气质量实况与预报手机发布系统Pub every 3 months. The most recent releases landed on July 27, 2026 and February 28, 2026 respectively.

## The numbers

| Metric | 江苏空气质量 | 广东省空气质量实况与预报手机发布系统Pub |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (11 ratings)](https://appshunter.io/ios/app/id1440697804/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 months |
| Size | 2 MB | 29 MB |
| Requires iOS | 14.0 | **7.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [3Clear Technology Co., Ltd](https://appshunter.io/developer/1211590929) | [广东旭诚科技有限公司](https://appshunter.io/developer/1048882371) |

## What reviewers say

### 江苏空气质量

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

**Features:** macOS Compatibility

**In-app purchases:** none


### 广东省空气质量实况与预报手机发布系统Pub

[App page](https://appshunter.io/ios/app/pub/id1477157378)

**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 广东省空气质量实况与预报手机发布系统Pub free?

广东省空气质量实况与预报手机发布系统Pub is free to download, with no in-app purchases.

### Do 江苏空气质量 or 广东省空气质量实况与预报手机发布系统Pub have ads?

Neither 江苏空气质量 nor 广东省空气质量实况与预报手机发布系统Pub shows ads.

### Which is updated more often, 江苏空气质量 or 广东省空气质量实况与预报手机发布系统Pub?

江苏空气质量 ships an update every 10 days, and 广东省空气质量实况与预报手机发布系统Pub every 3 months. Most recently, 江苏空气质量 was updated on July 27, 2026 and 广东省空气质量实况与预报手机发布系统Pub on February 28, 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.*