# 海川云 vs 达客联邦

The clearest difference is update cadence: 达客联邦 at every 3 weeks against 海川云's every 3 months. 达客联邦 also leads on iOS requirement (9.0 vs 11.0). 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.

海川云 ships an update every 3 months, 达客联邦 every 3 weeks. The most recent releases landed on October 11, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | 海川云 | 达客联邦 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 159 MB | 48 MB |
| Requires iOS | 11.0 | **9.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Changsha Haichuan Automation Co., Ltd.](https://appshunter.io/developer/1146351939) | [shandong zhongchou lianhe information Technology Co., Ltd.](https://appshunter.io/developer/1167346310) |

## What reviewers say

### 海川云

[App page](https://appshunter.io/ios/app/id1146351940)

**In-app purchases:** none


### 达客联邦

[App page](https://appshunter.io/ios/app/id1575314871)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 海川云 free?

海川云 is free to download, with no in-app purchases.

### Is 达客联邦 free?

达客联邦 is free to download, with no in-app purchases.

### Do 海川云 or 达客联邦 have ads?

Neither 海川云 nor 达客联邦 shows ads.

### Which is updated more often, 海川云 or 达客联邦?

海川云 ships an update every 3 months, and 达客联邦 every 3 weeks. Most recently, 海川云 was updated on October 11, 2026 and 达客联邦 on October 20, 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.*