# WCHBleUart vs 青石云

The clearest difference is update cadence: WCHBleUart at every 10 days against 青石云's every 3 weeks. 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, 青石云 every 3 weeks. The most recent releases landed on September 29, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | WCHBleUart | 青石云 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Size | 5 MB | 97 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [南京沁恒微电子股份有限公司](https://appshunter.io/developer/1580700719) | [上海阅目环境科技有限公司](https://appshunter.io/developer/1542291892) |

## What reviewers say

### WCHBleUart

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

**Features:** macOS Compatibility

**In-app purchases:** none


### 青石云

[App page](https://appshunter.io/ios/app/id6475382877)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is WCHBleUart free?

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

### Is 青石云 free?

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

### Do WCHBleUart or 青石云 have ads?

Neither WCHBleUart nor 青石云 shows ads.

### Which is updated more often, WCHBleUart or 青石云?

WCHBleUart ships an update every 10 days, and 青石云 every 3 weeks. Most recently, WCHBleUart was updated on September 29, 2026 and 青石云 on September 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.*