# 亿童图书 vs 云书阁

The clearest difference is in-app purchases: 亿童图书 at none against 云书阁's 1. 亿童图书 also leads on iOS requirement (11.0 vs 18.0). 云书阁's advantage is update cadence (every 6 days vs every 5 weeks). On price, ads and device support there is nothing between them.

Both are free to download. 云书阁 sells 1 one-off in-app purchase. 亿童图书 asks for nothing beyond the download.

亿童图书 ships an update every 5 weeks, 云书阁 every 6 days. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 亿童图书 | 云书阁 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.8 (5 ratings)](https://appshunter.io/ios/app/id6776104544/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 79.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 6 days** |
| Monetization | — | Free |
| Size | 80 MB | 187 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [武汉亿童文教股份有限公司](https://appshunter.io/developer/977882876) | [红艳 刘](https://appshunter.io/developer/1879943166) |

## What reviewers say

### 亿童图书

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

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

**In-app purchases:** none


### 云书阁

[App page](https://appshunter.io/ios/app/id6776104544)

A reader app for managing and offline reading of personal novels, comics, and documents. It automatically organizes imported files, allowing for a personalized and distraction-free reading experience without online content.

**Highlights:** Smart library organization, Local import and offline reading, Unified novel and comic management, Personalized reading experience, Automatic reading progress saving, iCloud data synchronization, Reading statistics

**Features:** iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 云书阁终身版 | $8.99 | one-time |


## Frequently asked questions

### Is 亿童图书 free?

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

### Is 云书阁 free?

云书阁 is free to download, with in-app purchases available.

### Do 亿童图书 or 云书阁 have ads?

Neither 亿童图书 nor 云书阁 shows ads.

### Which is updated more often, 亿童图书 or 云书阁?

亿童图书 ships an update every 5 weeks, and 云书阁 every 6 days. Most recently, 亿童图书 was updated on November 3, 2026 and 云书阁 on November 5, 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.*