# Embedded Slave vs 蓝牙收发工具

The clearest difference is update cadence: Embedded Slave at fortnightly against 蓝牙收发工具's every 5 months. 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.

Embedded Slave ships an update fortnightly, 蓝牙收发工具 every 5 months. The most recent releases landed on September 17, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | Embedded Slave | 蓝牙收发工具 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 months |
| Size | 45 MB | 15 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Wuxi Kaiyang Electronic Technology Co., Ltd.](https://appshunter.io/developer/1131154502) | [祖策 谢](https://appshunter.io/developer/983519195) |

## What reviewers say

### Embedded Slave

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

**Features:** macOS Compatibility

**In-app purchases:** none


### 蓝牙收发工具

[App page](https://appshunter.io/ios/app/id1658298287)

**In-app purchases:** none


## Frequently asked questions

### Is Embedded Slave free?

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

### Is 蓝牙收发工具 free?

蓝牙收发工具 is free to download, with no in-app purchases.

### Do Embedded Slave or 蓝牙收发工具 have ads?

Neither Embedded Slave nor 蓝牙收发工具 shows ads.

### Which is updated more often, Embedded Slave or 蓝牙收发工具?

Embedded Slave ships an update fortnightly, and 蓝牙收发工具 every 5 months. Most recently, Embedded Slave was updated on September 17, 2026 and 蓝牙收发工具 on June 11, 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.*