# 蓝牙MIDI助理 vs Voice Pack

The clearest difference is in-app purchases: 蓝牙MIDI助理 at none against Voice Pack's 7. 蓝牙MIDI助理 also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Voice Pack sells 7 one-off in-app purchases. 蓝牙MIDI助理 asks for nothing beyond the download.

蓝牙MIDI助理 ships an update every 3 weeks, Voice Pack every 2 months. The most recent releases landed on September 17, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | 蓝牙MIDI助理 | Voice Pack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 3 MB | 27 MB |
| Requires iOS | **9.1** | 10.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [于斯教育科技(上海)有限公司](https://appshunter.io/developer/1001134040) | [Changsha yuanli network technology co. LTD.](https://appshunter.io/developer/1277587299) |

## What reviewers say

### 蓝牙MIDI助理

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Voice Pack

[App page](https://appshunter.io/ios/app/voice-pack/id1502960759)

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 50words | $2.99 | one-time |
| 100words | $3.99 | one-time |
| 200words | $8.99 | one-time |
| 300words | $12.99 | one-time |
| 400words | $15.00 | one-time |
| 500words | $20.00 | one-time |
| >500words | $30.00 | one-time |


## 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 Voice Pack free?

Voice Pack is free to download, with in-app purchases available.

### Do 蓝牙MIDI助理 or Voice Pack have ads?

Voice Pack shows ads; 蓝牙MIDI助理 does not.

### Which is updated more often, 蓝牙MIDI助理 or Voice Pack?

蓝牙MIDI助理 ships an update every 3 weeks, and Voice Pack every 2 months. Most recently, 蓝牙MIDI助理 was updated on September 17, 2026 and Voice Pack 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.*