# 蓝牙MIDI助理 vs Bluetooth Device Assistant

The clearest difference is iOS requirement: 蓝牙MIDI助理 at 9.1 against Bluetooth Device Assistant's 11.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

蓝牙MIDI助理 ships an update every 3 weeks, Bluetooth Device Assistant monthly. Both last shipped on September 17, 2026.

## The numbers

| Metric | 蓝牙MIDI助理 | Bluetooth Device Assistant |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Size | 3 MB | 25 MB |
| Requires iOS | **9.1** | 11.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [于斯教育科技(上海)有限公司](https://appshunter.io/developer/1001134040) | [舒华体育股份有限公司](https://appshunter.io/developer/1225498279) |

## What reviewers say

### 蓝牙MIDI助理

[App page](https://appshunter.io/ios/app/midi/id1232142768)

**Features:** macOS Compatibility

**In-app purchases:** none


### Bluetooth Device Assistant

[App page](https://appshunter.io/ios/app/bluetooth-device-assistant/id6461013923)

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

**In-app purchases:** none


## Frequently asked questions

### Is 蓝牙MIDI助理 free?

蓝牙MIDI助理 is free to download, with no in-app purchases.

### Is Bluetooth Device Assistant free?

Bluetooth Device Assistant is free to download, with no in-app purchases.

### Do 蓝牙MIDI助理 or Bluetooth Device Assistant have ads?

Neither 蓝牙MIDI助理 nor Bluetooth Device Assistant shows ads.

### Which is updated more often, 蓝牙MIDI助理 or Bluetooth Device Assistant?

蓝牙MIDI助理 ships an update every 3 weeks, and Bluetooth Device Assistant monthly. Most recently, 蓝牙MIDI助理 was updated on September 17, 2026 and Bluetooth Device Assistant on September 17, 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.*