# 臺大圖書館 vs Class問答(家教版)

The clearest difference is update cadence: 臺大圖書館 at monthly against Class問答(家教版)'s every 22 months. Class問答(家教版)'s advantage is iOS requirement (13.0 vs 17.6). 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.

臺大圖書館 ships an update monthly, Class問答(家教版) every 22 months. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 臺大圖書館 | Class問答(家教版) |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 31.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | **Monthly** | Every 22 months |
| Size | 455 MB | 52 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | **iPhone** | — |
| Age rating | 4+ | 4+ |
| Developer | [National Taiwan University Library](https://appshunter.io/developer/1116913981) | [克雷斯班級網股份有限公司](https://appshunter.io/developer/1687441907) |

## What reviewers say

### 臺大圖書館

[App page](https://appshunter.io/ios/app/id1116913982)

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

**In-app purchases:** none


### Class問答(家教版)

[App page](https://appshunter.io/ios/app/class/id6449015702)

**In-app purchases:** none


## Frequently asked questions

### Is 臺大圖書館 free?

臺大圖書館 is free to download, with no in-app purchases.

### Is Class問答(家教版) free?

Class問答(家教版) is free to download, with no in-app purchases.

### Which is updated more often, 臺大圖書館 or Class問答(家教版)?

臺大圖書館 ships an update monthly, and Class問答(家教版) every 22 months. Most recently, 臺大圖書館 was updated on October 7, 2026 and Class問答(家教版) on October 10, 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.*