# 中文在线数字图书馆V2 vs 亿童图书

The clearest difference is iOS requirement: 亿童图书 at 11.0 against 中文在线数字图书馆V2's 15.6. On price, update cadence, ads 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.

中文在线数字图书馆V2 ships an update every 2 months, 亿童图书 every 5 weeks. The most recent releases landed on September 13, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | 中文在线数字图书馆V2 | 亿童图书 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 66 MB | 80 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [湖北中文在线数字出版有限公司](https://appshunter.io/developer/1809734912) | [武汉亿童文教股份有限公司](https://appshunter.io/developer/977882876) |

## What reviewers say

### 中文在线数字图书馆V2

[App page](https://appshunter.io/ios/app/v2/id1209929813)

Access a vast digital library with diverse content including educational materials, science, picture books, and comics. This updated version offers a more powerful, visually appealing, and interactive user experience for readers of all ages.

**Highlights:** Extensive digital content library, Cultural and educational materials, Science and encyclopedia resources, Picture books and comics, User-friendly interface, Interactive features

**Features:** macOS Compatibility

**In-app purchases:** none


### 亿童图书

[App page](https://appshunter.io/ios/app/id6449167695)

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

**In-app purchases:** none


## Frequently asked questions

### Is 中文在线数字图书馆V2 free?

中文在线数字图书馆V2 is free to download, with no in-app purchases.

### Is 亿童图书 free?

亿童图书 is free to download, with no in-app purchases.

### Do 中文在线数字图书馆V2 or 亿童图书 have ads?

Neither 中文在线数字图书馆V2 nor 亿童图书 shows ads.

### Which is updated more often, 中文在线数字图书馆V2 or 亿童图书?

中文在线数字图书馆V2 ships an update every 2 months, and 亿童图书 every 5 weeks. Most recently, 中文在线数字图书馆V2 was updated on September 13, 2026 and 亿童图书 on September 26, 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.*