# 妙趣书城 vs 开放云书院

The clearest difference is iOS requirement: 妙趣书城 at 9.0 against 开放云书院's 12.0. On price, update cadence, 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.

妙趣书城 ships an update every 5 weeks, 开放云书院 every 6 weeks. The most recent releases landed on October 26, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | 妙趣书城 | 开放云书院 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (620 ratings)](https://appshunter.io/ios/app/id979093695/reviews)** |
| Number of ratings | — | **620** |
| Positive reviews | — | 19.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | — |
| Update frequency | **Every 5 weeks** | Every 6 weeks |
| Size | 108 MB | 121 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Time Anime Co,. LTD.](https://appshunter.io/developer/465896703) | [Open University of China Press Co., Ltd.](https://appshunter.io/developer/1486769998) |

## What reviewers say

### 妙趣书城

[App page](https://appshunter.io/ios/app/id787017988)

**Features:** macOS Compatibility

**In-app purchases:** none


### 开放云书院

[App page](https://appshunter.io/ios/app/id979093695)

**In-app purchases:** none


## Frequently asked questions

### Is 妙趣书城 free?

妙趣书城 is free to download, with no in-app purchases.

### Is 开放云书院 free?

开放云书院 is free to download, with no in-app purchases.

### Which is updated more often, 妙趣书城 or 开放云书院?

妙趣书城 ships an update every 5 weeks, and 开放云书院 every 6 weeks. Most recently, 妙趣书城 was updated on October 26, 2026 and 开放云书院 on October 29, 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.*