# 知丘 vs HAI Link

The clearest difference is update cadence: 知丘 at every 6 weeks against HAI Link's every 3 months. HAI Link's advantage is iOS requirement (9.0 vs 15.0). 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.

知丘 ships an update every 6 weeks, HAI Link every 3 months. The most recent releases landed on November 2, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 知丘 | HAI Link |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id1352853566/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Size | 45 MB | 194 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [携宁科技](https://appshunter.io/developer/1112043801) | [Haitong International](https://appshunter.io/developer/538351269) |

## What reviewers say

### 知丘

[App page](https://appshunter.io/ios/app/id1352853566)

**Features:** Vision Pro support

**In-app purchases:** none


### HAI Link

[App page](https://appshunter.io/ios/app/hai-link/id1557589717)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 知丘 free?

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

### Is HAI Link free?

HAI Link is free to download, with no in-app purchases.

### Do 知丘 or HAI Link have ads?

Neither 知丘 nor HAI Link shows ads.

### Which is updated more often, 知丘 or HAI Link?

知丘 ships an update every 6 weeks, and HAI Link every 3 months. Most recently, 知丘 was updated on November 2, 2026 and HAI Link 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.*