# 行動水情 vs DPIP

The clearest difference is in-app purchases: 行動水情 at none against DPIP's 4. DPIP's advantage is device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. DPIP sells 4 in-app purchases, starting at $1.99 per month. 行動水情 asks for nothing beyond the download.

行動水情 ships an update every 11 days, DPIP every 3 weeks. The most recent releases landed on September 23, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | 行動水情 | DPIP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (8 ratings)](https://appshunter.io/ios/app/dpip/id6468026362/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 79.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 109 MB | 44 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [SanChuanCloud](https://appshunter.io/developer/1761292478) | [ExpTech](https://appshunter.io/developer/1709443346) |

## What reviewers say

### 行動水情

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

**Features:** Vision Pro support

**In-app purchases:** none


### DPIP

[App page](https://appshunter.io/ios/app/dpip/id6468026362)

This app provides real-time earthquake alerts and disaster prevention information. It integrates data from official meteorological and seismic monitoring networks to offer early warnings and detailed reports, helping users prepare for and respond to natural disasters.

**Highlights:** Real-time earthquake early warnings, Earthquake intensity reports, Seismic activity summaries, Live weather updates, Weather alerts and advisories, Disaster prevention information aggregation

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DPIP 每月服務支持 | $1.99 | per month |
| 能量飲料 | $2.99 | one-time |
| 活力便當 | $9.99 | one-time |
| 深深的一份感謝 | $29.99 | one-time |


## Frequently asked questions

### Is 行動水情 free?

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

### Is DPIP free?

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

### Do 行動水情 or DPIP have ads?

Neither 行動水情 nor DPIP shows ads.

### Which is updated more often, 行動水情 or DPIP?

行動水情 ships an update every 11 days, and DPIP every 3 weeks. Most recently, 行動水情 was updated on September 23, 2026 and DPIP on September 26, 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.*