# 上海水文 vs 珠海风云2.0

The clearest difference is update cadence: 珠海风云2.0 at every 2 months against 上海水文's every 4 months. 上海水文's advantage is iOS requirement (9.0 vs 12.0). 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.

上海水文 ships an update every 4 months, 珠海风云2.0 every 2 months. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 上海水文 | 珠海风云2.0 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Size | 8 MB | 5 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [福建四创软件有限公司](https://appshunter.io/developer/539380136) | [珠海市公共气象服务中心](https://appshunter.io/developer/975467802) |

## What reviewers say

### 上海水文

[App page](https://appshunter.io/ios/app/id540286718)

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

**In-app purchases:** none


### 珠海风云2.0

[App page](https://appshunter.io/ios/app/20/id1610508415)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 上海水文 free?

上海水文 is free to download, with no in-app purchases.

### Is 珠海风云2.0 free?

珠海风云2.0 is free to download, with no in-app purchases.

### Do 上海水文 or 珠海风云2.0 have ads?

Neither 上海水文 nor 珠海风云2.0 shows ads.

### Which is updated more often, 上海水文 or 珠海风云2.0?

上海水文 ships an update every 4 months, and 珠海风云2.0 every 2 months. Most recently, 上海水文 was updated on October 23, 2026 and 珠海风云2.0 on October 25, 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.*