# 行動水情 vs 中央氣象署Q

The clearest difference is update cadence: 行動水情 at every 11 days against 中央氣象署Q's every 4 months. 中央氣象署Q's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.0). On price, ads 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, 中央氣象署Q every 4 months. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 行動水情 | 中央氣象署Q |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/q-qpesums/id1129617978/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 31.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 4 months |
| Monetization | — | Free |
| Size | 109 MB | 21 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [SanChuanCloud](https://appshunter.io/developer/1761292478) | [中央氣象局](https://appshunter.io/developer/1129617977) |

## What reviewers say

### 行動水情

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

**Features:** Vision Pro support

**In-app purchases:** none


### 中央氣象署Q

[App page](https://appshunter.io/ios/app/q-qpesums/id1129617978)

This app provides real-time monitoring and short-term forecasting of severe weather events. It integrates data from weather radar and rain gauges to offer insights on precipitation, storm cells, and future rainfall areas. Users can also set personalized alerts for specific regions and weather thresholds.

**Highlights:** Radar echo observation, 1-hour and 24-hour accumulated rainfall distribution, Convective cell real-time monitoring, Next 1-hour rainfall area forecast, Rainfall station data, Personalized alert notifications

**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 中央氣象署Q free?

中央氣象署Q is free to download, with no in-app purchases.

### Do 行動水情 or 中央氣象署Q have ads?

Neither 行動水情 nor 中央氣象署Q shows ads.

### Which is updated more often, 行動水情 or 中央氣象署Q?

行動水情 ships an update every 11 days, and 中央氣象署Q every 4 months. Most recently, 行動水情 was updated on October 9, 2026 and 中央氣象署Q 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.*