# Embedded Slave vs WCHBleUart

Embedded Slave and WCHBleUart are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Embedded Slave ships an update fortnightly, WCHBleUart every 10 days. The most recent releases landed on September 17, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Embedded Slave | WCHBleUart |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 10 days** |
| Size | 45 MB | 5 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Wuxi Kaiyang Electronic Technology Co., Ltd.](https://appshunter.io/developer/1131154502) | [南京沁恒微电子股份有限公司](https://appshunter.io/developer/1580700719) |

## What reviewers say

### Embedded Slave

[App page](https://appshunter.io/ios/app/embedded-slave/id1596038290)

**Features:** macOS Compatibility

**In-app purchases:** none


### WCHBleUart

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Embedded Slave free?

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

### Is WCHBleUart free?

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

### Do Embedded Slave or WCHBleUart have ads?

Neither Embedded Slave nor WCHBleUart shows ads.

### Which is updated more often, Embedded Slave or WCHBleUart?

Embedded Slave ships an update fortnightly, and WCHBleUart every 10 days. Most recently, Embedded Slave was updated on September 17, 2026 and WCHBleUart on September 10, 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.*