# 中国海洋预报（公众版） vs 潮汐查看助手

The clearest difference is ads: 中国海洋预报（公众版） at none against 潮汐查看助手's shown. 中国海洋预报（公众版） also leads on iOS requirement (9.0 vs 13.0). On price, update cadence, 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.

中国海洋预报（公众版） ships an update monthly, 潮汐查看助手 every 2 months. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 中国海洋预报（公众版） | 潮汐查看助手 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 2 months |
| Size | 48 MB | 27 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [National Marine Enviromental Forecasting Center](https://appshunter.io/developer/1532384187) | [佳宝 刘](https://appshunter.io/developer/1673925868) |

## What reviewers say

### 中国海洋预报（公众版）

[App page](https://appshunter.io/ios/app/id1532384185)

**Features:** macOS Compatibility

**In-app purchases:** none


### 潮汐查看助手

[App page](https://appshunter.io/ios/app/id6450698453)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 中国海洋预报（公众版） free?

中国海洋预报（公众版） is free to download, with no in-app purchases.

### Is 潮汐查看助手 free?

潮汐查看助手 is free to download, with no in-app purchases.

### Do 中国海洋预报（公众版） or 潮汐查看助手 have ads?

潮汐查看助手 shows ads; 中国海洋预报（公众版） does not.

### Which is updated more often, 中国海洋预报（公众版） or 潮汐查看助手?

中国海洋预报（公众版） ships an update monthly, and 潮汐查看助手 every 2 months. Most recently, 中国海洋预报（公众版） was updated on October 25, 2026 and 潮汐查看助手 on October 27, 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.*