# 辽宁AQI在线 vs AQI

The clearest difference is device support: AQI at 4 against 辽宁AQI在线's —. 辽宁AQI在线's advantage is iOS requirement (12.0 vs 15.0). On price 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.

## The numbers

| Metric | 辽宁AQI在线 | AQI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 10 days |
| Size | 13 MB | 9 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | — | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Apple Distribution lnternational](https://appshunter.io/developer/1057054966) | [翔 黄](https://appshunter.io/developer/1525042908) |

## What reviewers say

### 辽宁AQI在线

[App page](https://appshunter.io/ios/app/aqi/id1073014087)

**In-app purchases:** none


### AQI

[App page](https://appshunter.io/ios/app/aqi/id6661027286)

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

**In-app purchases:** none


## Frequently asked questions

### Is 辽宁AQI在线 free?

辽宁AQI在线 is free to download, with no in-app purchases.

### Is AQI free?

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

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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.*