# 行動水情 vs 台灣防災訊息

The clearest difference is ads: 行動水情 at none against 台灣防災訊息's shown. 台灣防災訊息's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 16.0). On price, update cadence 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.

行動水情 ships an update every 11 days, 台灣防災訊息 every 6 days. The most recent releases landed on September 23, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | 行動水情 | 台灣防災訊息 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 44.4% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 11 days | **Every 6 days** |
| Monetization | — | Ad-supported |
| Size | 109 MB | 51 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [SanChuanCloud](https://appshunter.io/developer/1761292478) | [Yu Chin Chia](https://appshunter.io/developer/903733065) |

## What reviewers say

### 行動水情

[App page](https://appshunter.io/ios/app/id487536302)

**Features:** Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is 行動水情 free?

行動水情 is free to download, with no in-app purchases.

### Is 台灣防災訊息 free?

台灣防災訊息 is free to download, with no in-app purchases.

### Do 行動水情 or 台灣防災訊息 have ads?

台灣防災訊息 shows ads; 行動水情 does not.

### Which is updated more often, 行動水情 or 台灣防災訊息?

行動水情 ships an update every 11 days, and 台灣防災訊息 every 6 days. Most recently, 行動水情 was updated on September 23, 2026 and 台灣防災訊息 on September 10, 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.*