# 台灣防災訊息 vs 空氣污染警報

The clearest difference is update cadence: 台灣防災訊息 at every 6 days against 空氣污染警報's monthly. 台灣防災訊息 also leads on iOS requirement (14.0 vs 16.1). 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.

台灣防災訊息 ships an update every 6 days, 空氣污染警報 monthly. Both last shipped on October 24, 2026.

## The numbers

| Metric | 台灣防災訊息 | 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 | 44.4% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 6 days** | Monthly |
| Monetization | Ad-supported | — |
| Size | 51 MB | 55 MB |
| Requires iOS | **14.0** | 16.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yu Chin Chia](https://appshunter.io/developer/903733065) | [DoItWell Application Ltd](https://appshunter.io/developer/505381716) |

## What reviewers say

### 台灣防災訊息

[App page](https://appshunter.io/ios/app/id1594628777)

Receive real-time disaster alerts for various regions across Taiwan. This system proactively notifies you of potential dangers like floods, landslides, and power outages. Detailed maps help visualize the affected areas.

**Highlights:** Real-time disaster alerts, Subscription notification system, Alerts for floods, landslides, power outages, Detailed map visualization, Multi-region coverage

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

**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 台灣防災訊息 free?

台灣防災訊息 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 台灣防災訊息 or 空氣污染警報 have ads?

Both 台灣防災訊息 and 空氣污染警報 show ads.

### Which is updated more often, 台灣防災訊息 or 空氣污染警報?

台灣防災訊息 ships an update every 6 days, and 空氣污染警報 monthly. Most recently, 台灣防災訊息 was updated on October 24, 2026 and 空氣污染警報 on October 24, 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.*