# 广东省空气质量实况与预报手机发布系统Pub vs Air Quality Cat

The clearest difference is iOS requirement: 广东省空气质量实况与预报手机发布系统Pub at 7.0 against Air Quality Cat's 11.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 23, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | 广东省空气质量实况与预报手机发布系统Pub | Air Quality Cat |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Size | 29 MB | 122 MB |
| Requires iOS | **7.0** | 11.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [广东旭诚科技有限公司](https://appshunter.io/developer/1048882371) | [Guizhou Oupeike Technology Co., Ltd.](https://appshunter.io/developer/1251301224) |

## What reviewers say

### 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)

**Features:** Vision Pro support

**In-app purchases:** none


### Air Quality Cat

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### 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.

### Is Air Quality Cat free?

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

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

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

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

广东省空气质量实况与预报手机发布系统Pub ships an update every 3 months, and Air Quality Cat every 3 months. Most recently, 广东省空气质量实况与预报手机发布系统Pub was updated on October 23, 2026 and Air Quality Cat on October 13, 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.*