# 培训师（Trainer ） vs 知谱教研

The clearest difference is in-app purchases: 知谱教研 at none against 培训师（Trainer ）'s 2. 知谱教研 also leads on update cadence (every 2 months vs every 5 months) and iOS requirement (12.4 vs 15.6). 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. 知谱教研 asks for nothing beyond the download.

培训师（Trainer ） ships an update every 5 months, 知谱教研 every 2 months. The most recent releases landed on October 9, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | 培训师（Trainer ） | 知谱教研 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Size | 120 MB | 274 MB |
| Requires iOS | 15.6 | **12.4** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [QGENIUS](https://appshunter.io/developer/1579618031) | [北京中教仪科技有限公司](https://appshunter.io/developer/1639536743) |

## 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 |


### 知谱教研

[App page](https://appshunter.io/ios/app/id1639536741)

**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 知谱教研 free?

知谱教研 is free to download, with no in-app purchases.

### Do 培训师（Trainer ） or 知谱教研 have ads?

Neither 培训师（Trainer ） nor 知谱教研 shows ads.

### Which is updated more often, 培训师（Trainer ） or 知谱教研?

培训师（Trainer ） ships an update every 5 months, and 知谱教研 every 2 months. Most recently, 培训师（Trainer ） was updated on October 9, 2026 and 知谱教研 on October 18, 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.*