# 台灣水庫資訊 vs 空氣污染警報

The clearest difference is ads: 台灣水庫資訊 at none against 空氣污染警報's shown. 台灣水庫資訊 also leads on device support (4 vs 2) and iOS requirement (14.0 vs 16.1). 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 | 台灣水庫資訊 | 空氣污染警報 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (5 ratings)](https://appshunter.io/ios/app/id6444897109/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Monthly |
| Size | 1 MB | 55 MB |
| Requires iOS | **14.0** | 16.1 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Meng-Yuan Huang](https://appshunter.io/developer/1526621891) | [DoItWell Application Ltd](https://appshunter.io/developer/505381716) |

## What reviewers say

### 台灣水庫資訊

[App page](https://appshunter.io/ios/app/id1577455211)

**In-app purchases:** none


### 空氣污染警報

[App page](https://appshunter.io/ios/app/id6444897109)

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

**In-app purchases:** none


## Frequently asked questions

### Is 台灣水庫資訊 free?

台灣水庫資訊 is free to download, with no in-app purchases.

### Is 空氣污染警報 free?

空氣污染警報 is free to download, with no in-app purchases.

### Do 台灣水庫資訊 or 空氣污染警報 have ads?

空氣污染警報 shows ads; 台灣水庫資訊 does not.

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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.*