# Sci vs 教师授课助手

The clearest difference is update cadence: Sci at every 5 weeks against 教师授课助手's every 5 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Sci ships an update every 5 weeks, 教师授课助手 every 5 months. The most recent releases landed on October 17, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Sci | 教师授课助手 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 5 months |
| Size | 88 MB | 105 MB |
| Requires iOS | 13.0 | **12** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [山东远大朗威教育科技股份有限公司](https://appshunter.io/developer/1197726190) | [New Cloud Network Technology Group Co., Ltd.](https://appshunter.io/developer/1115013239) |

## What reviewers say

### Sci

[App page](https://appshunter.io/ios/app/sci-lab/id1197726221)

**In-app purchases:** none


### 教师授课助手

[App page](https://appshunter.io/ios/app/id1515056176)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sci free?

Sci is free to download, with no in-app purchases.

### Is 教师授课助手 free?

教师授课助手 is free to download, with no in-app purchases.

### Do Sci or 教师授课助手 have ads?

Neither Sci nor 教师授课助手 shows ads.

### Which is updated more often, Sci or 教师授课助手?

Sci ships an update every 5 weeks, and 教师授课助手 every 5 months. Most recently, Sci was updated on October 17, 2026 and 教师授课助手 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.*