# 愛讀書城 vs ISBN

The clearest difference is in-app purchases: ISBN at none against 愛讀書城's 10. ISBN also leads on device support. 愛讀書城's advantage is iOS requirement (12.0 vs 14.0). On price there is nothing between them.

Both are free to download. 愛讀書城 sells 10 in-app purchases, starting at $4.99 per month. ISBN asks for nothing beyond the download.

## The numbers

| Metric | 愛讀書城 | ISBN |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | — | Yes |
| Update frequency | — | Every 4 months |
| Size | 77 MB | 16 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Beijing Yunwang Weilian Technology Co., Ltd](https://appshunter.io/developer/1550716612) | [剑秋 肖](https://appshunter.io/developer/806037264) |

## What reviewers say

### 愛讀書城

[App page](https://appshunter.io/ios/app/id1463022003)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 8折會員卡 | $4.99 | per month |
| 閱讀包月 | $39.99 | per month |
| 閱讀包季 | $99.99 | per 3 months |
| 2100 bean | $4.99 | one-time |
| 書豆 | $4.99 | one-time |
| 看書大禮包 | $9.99 | one-time |
| 書豆 | $9.99 | one-time |
| 書豆 | $19.99 | one-time |
| 書豆 | $29.99 | one-time |
| 書豆 | $99.99 | one-time |


### ISBN

[App page](https://appshunter.io/ios/app/isbn/id6449743934)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 愛讀書城 free?

愛讀書城 is free to download, with in-app purchases available.

### Is ISBN free?

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

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*