# 培训师（Trainer ） vs 初中化学宝典

The clearest difference is update cadence: 初中化学宝典 at every 2 weeks against 培训师（Trainer ）'s every 5 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 培训师（Trainer ） sells 2 one-off in-app purchases and 初中化学宝典 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

培训师（Trainer ） ships an update every 5 months, 初中化学宝典 every 2 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 培训师（Trainer ） | 初中化学宝典 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Size | 120 MB | 11 MB |
| Requires iOS | **15.6** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [QGENIUS](https://appshunter.io/developer/1579618031) | [辉强 苘](https://appshunter.io/developer/1701908490) |

## 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 |


### 初中化学宝典

[App page](https://appshunter.io/ios/app/id6760214454)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | $0.99 | one-time |


## Frequently asked questions

### Is 培训师（Trainer ） free?

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

### Is 初中化学宝典 free?

初中化学宝典 is free to download, with in-app purchases available.

### Do 培训师（Trainer ） or 初中化学宝典 have ads?

Neither 培训师（Trainer ） nor 初中化学宝典 shows ads.

### Which is updated more often, 培训师（Trainer ） or 初中化学宝典?

培训师（Trainer ） ships an update every 5 months, and 初中化学宝典 every 2 weeks. Most recently, 培训师（Trainer ） was updated on November 3, 2026 and 初中化学宝典 on October 31, 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.*