# OneTeacher vs Class問答

The clearest difference is update cadence: OneTeacher at every 3 weeks against Class問答's every 22 months. OneTeacher also leads on device support. Class問答's advantage is iOS requirement (13.0 vs 15.0). On price and in-app purchases there is nothing between them.

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

OneTeacher ships an update every 3 weeks, Class問答 every 22 months. The most recent releases landed on September 20, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | OneTeacher | Class問答 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | **Every 3 weeks** | Every 22 months |
| Size | 41 MB | 52 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [OneClass](https://appshunter.io/developer/1705683887) | [克雷斯班級網股份有限公司](https://appshunter.io/developer/1687441907) |

## What reviewers say

### OneTeacher

[App page](https://appshunter.io/ios/app/oneteacher/id1671114969)

**Features:** macOS Compatibility

**In-app purchases:** none


### Class問答

[App page](https://appshunter.io/ios/app/class/id6449015915)

**In-app purchases:** none


## Frequently asked questions

### Is OneTeacher free?

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

### Is Class問答 free?

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

### Which is updated more often, OneTeacher or Class問答?

OneTeacher ships an update every 3 weeks, and Class問答 every 22 months. Most recently, OneTeacher was updated on September 20, 2026 and Class問答 on September 13, 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.*