# WCHBleUart vs 牛丫互联

The clearest difference is update cadence: WCHBleUart at every 10 days against 牛丫互联's every 2 months. 牛丫互联'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.

WCHBleUart ships an update every 10 days, 牛丫互联 every 2 months. The most recent releases landed on October 15, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | WCHBleUart | 牛丫互联 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 2 months |
| Size | 5 MB | 49 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [南京沁恒微电子股份有限公司](https://appshunter.io/developer/1580700719) | [Shenzhen Zhongxinyou M2M Technology Co., Ltd.](https://appshunter.io/developer/1489982535) |

## What reviewers say

### WCHBleUart

[App page](https://appshunter.io/ios/app/wchbleuart/id1603743502)

**Features:** macOS Compatibility

**In-app purchases:** none


### 牛丫互联

[App page](https://appshunter.io/ios/app/id6447443346)

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

**In-app purchases:** none


## Frequently asked questions

### Is WCHBleUart free?

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

### Is 牛丫互联 free?

牛丫互联 is free to download, with no in-app purchases.

### Do WCHBleUart or 牛丫互联 have ads?

Neither WCHBleUart nor 牛丫互联 shows ads.

### Which is updated more often, WCHBleUart or 牛丫互联?

WCHBleUart ships an update every 10 days, and 牛丫互联 every 2 months. Most recently, WCHBleUart was updated on October 15, 2026 and 牛丫互联 on October 12, 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.*