# 練單字 vs Class問答

The clearest difference is price: Class問答 at Free against 練單字's $0.99. 練單字's advantage is device support. On update cadence, in-app purchases and iOS requirement there is nothing between them.

Class問答 is free to download; 練單字 costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

練單字 ships an update every 38 months, Class問答 every 22 months. The most recent releases landed on October 7, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | 練單字 | Class問答 |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 38 months | **Every 22 months** |
| Size | 22 MB | 52 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [SHIH-CHEN FAN](https://appshunter.io/developer/1563674002) | [克雷斯班級網股份有限公司](https://appshunter.io/developer/1687441907) |

## What reviewers say

### 練單字

[App page](https://appshunter.io/ios/app/id1594065195)

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

**In-app purchases:** none


### Class問答

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

**In-app purchases:** none


## Frequently asked questions

### Is 練單字 free?

練單字 costs $0.99, 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, 練單字 or Class問答?

練單字 ships an update every 38 months, and Class問答 every 22 months. Most recently, 練單字 was updated on October 7, 2026 and Class問答 on October 1, 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.*