# 辽宁AQI在线 vs Hydrogen Weather

The clearest difference is in-app purchases: 辽宁AQI在线 at none against Hydrogen Weather's 3. 辽宁AQI在线 also leads on iOS requirement (12.0 vs 17.0). Hydrogen Weather's advantage is device support. On price there is nothing between them.

Both are free to download. Hydrogen Weather sells 3 in-app purchases, starting at $0.39 per 7 days. 辽宁AQI在线 asks for nothing beyond the download.

## The numbers

| Metric | 辽宁AQI在线 | Hydrogen Weather |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | Yes |
| Update frequency | — | Every 3 days |
| Size | 13 MB | 30 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | — | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Apple Distribution lnternational](https://appshunter.io/developer/1057054966) | [旭东 王](https://appshunter.io/developer/6777856693) |

## What reviewers say

### 辽宁AQI在线

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

**In-app purchases:** none


### Hydrogen Weather

[App page](https://appshunter.io/ios/app/hydrogen-weather/id6792465691)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $0.39 | per 7 days |
| Monthly | $0.99 | per month |
| Yearly | $9.99 | per year |


## 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 Hydrogen Weather free?

Hydrogen Weather is free to download, with in-app purchases available.

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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.*