# 认知卡认识乐器 vs 培训师（Trainer ）

The clearest difference is in-app purchases: 认知卡认识乐器 at none against 培训师（Trainer ）'s 2. 认知卡认识乐器 also leads on iOS requirement (10.1 vs 15.6). 培训师（Trainer ）'s advantage is update cadence (every 5 months vs every 26 months). On price, ads and device support there is nothing between them.

Both are free to download. 培训师（Trainer ） sells 2 one-off in-app purchases. 认知卡认识乐器 asks for nothing beyond the download.

认知卡认识乐器 ships an update every 26 months, 培训师（Trainer ） every 5 months. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 认知卡认识乐器 | 培训师（Trainer ） |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 5 months** |
| Size | 28 MB | 120 MB |
| Requires iOS | **10.1** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [运涛 余](https://appshunter.io/developer/977049266) | [QGENIUS](https://appshunter.io/developer/1579618031) |

## What reviewers say

### 认知卡认识乐器

[App page](https://appshunter.io/ios/app/id698057042)

**Features:** macOS Compatibility

**In-app purchases:** none


### 培训师（Trainer ）

[App page](https://appshunter.io/ios/app/trainer/id1560532296)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 培训及引导技术线上学分课程 | $14.99 | one-time |
| 引导艺术线上学分课程 | $46.99 | one-time |


## Frequently asked questions

### Is 认知卡认识乐器 free?

认知卡认识乐器 is free to download, with no in-app purchases.

### Is 培训师（Trainer ） free?

培训师（Trainer ） is free to download, with in-app purchases available.

### Do 认知卡认识乐器 or 培训师（Trainer ） have ads?

Neither 认知卡认识乐器 nor 培训师（Trainer ） shows ads.

### Which is updated more often, 认知卡认识乐器 or 培训师（Trainer ）?

认知卡认识乐器 ships an update every 26 months, and 培训师（Trainer ） every 5 months. Most recently, 认知卡认识乐器 was updated on October 26, 2026 and 培训师（Trainer ） on October 27, 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.*