# 蓝牙MIDI助理 vs 麋鹿性偏好测试

The clearest difference is in-app purchases: 蓝牙MIDI助理 at none against 麋鹿性偏好测试's 2. 蓝牙MIDI助理 also leads on update cadence (every 3 weeks vs every 24 months) and iOS requirement (9.1 vs 13.0). On price, ads and device support there is nothing between them.

Both are free to download. 麋鹿性偏好测试 sells 2 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, 麋鹿性偏好测试 every 24 months. The most recent releases landed on September 17, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | 蓝牙MIDI助理 | 麋鹿性偏好测试 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 14.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 24 months |
| Size | 3 MB | 27 MB |
| Requires iOS | **9.1** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [于斯教育科技(上海)有限公司](https://appshunter.io/developer/1001134040) | [QQY.LTD](https://appshunter.io/developer/1743706249) |

## What reviewers say

### 蓝牙MIDI助理

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

**Features:** macOS Compatibility

**In-app purchases:** none


### 麋鹿性偏好测试

[App page](https://appshunter.io/ios/app/id6499506690)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 初级测试 | $0.99 | one-time |
| 高级测试 | $1.99 | 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 麋鹿性偏好测试 free?

麋鹿性偏好测试 is free to download, with in-app purchases available.

### Do 蓝牙MIDI助理 or 麋鹿性偏好测试 have ads?

Neither 蓝牙MIDI助理 nor 麋鹿性偏好测试 shows ads.

### Which is updated more often, 蓝牙MIDI助理 or 麋鹿性偏好测试?

蓝牙MIDI助理 ships an update every 3 weeks, and 麋鹿性偏好测试 every 24 months. Most recently, 蓝牙MIDI助理 was updated on September 17, 2026 and 麋鹿性偏好测试 on September 12, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*