# 友开发 vs 知巧

The clearest difference is update cadence: 知巧 at every 8 days against 友开发's every 2 months. 友开发's advantage is iOS requirement (11.0 vs 13.0). 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.

友开发 ships an update every 2 months, 知巧 every 8 days. The most recent releases landed on October 13, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | 友开发 | 知巧 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 8 days** |
| Size | 88 MB | 67 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Yonyou Network Technology Co., Ltd](https://appshunter.io/developer/446060994) | [郑州朵朵计算机科技有限公司](https://appshunter.io/developer/1436953829) |

## What reviewers say

### 友开发

[App page](https://appshunter.io/ios/app/id6445975079)

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

**In-app purchases:** none


### 知巧

[App page](https://appshunter.io/ios/app/id6754271391)

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

**In-app purchases:** none


## Frequently asked questions

### Is 友开发 free?

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

### Is 知巧 free?

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

### Do 友开发 or 知巧 have ads?

Neither 友开发 nor 知巧 shows ads.

### Which is updated more often, 友开发 or 知巧?

友开发 ships an update every 2 months, and 知巧 every 8 days. Most recently, 友开发 was updated on October 13, 2026 and 知巧 on October 6, 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.*