# 培训师（Trainer ） vs 云上四教

The clearest difference is in-app purchases: 云上四教 at none against 培训师（Trainer ）'s 2. 云上四教 also leads on iOS requirement (10.0 vs 15.6). On price, update cadence, 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. 云上四教 asks for nothing beyond the download.

培训师（Trainer ） ships an update every 5 months, 云上四教 every 9 months. The most recent releases landed on October 9, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | 培训师（Trainer ） | 云上四教 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 9 months |
| Size | 120 MB | 196 MB |
| Requires iOS | 15.6 | **10.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [QGENIUS](https://appshunter.io/developer/1579618031) | [University of Science and Technology of China](https://appshunter.io/developer/1486120283) |

## What reviewers say

### 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 |


### 云上四教

[App page](https://appshunter.io/ios/app/id1562807763)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 培训师（Trainer ） free?

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

### Is 云上四教 free?

云上四教 is free to download, with no in-app purchases.

### Do 培训师（Trainer ） or 云上四教 have ads?

Neither 培训师（Trainer ） nor 云上四教 shows ads.

### Which is updated more often, 培训师（Trainer ） or 云上四教?

培训师（Trainer ） ships an update every 5 months, and 云上四教 every 9 months. Most recently, 培训师（Trainer ） was updated on October 9, 2026 and 云上四教 on October 4, 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.*