# 皮影中国 vs 亿童图书

The clearest difference is update cadence: 亿童图书 at every 5 weeks against 皮影中国's every 15 months. On price, ads, 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.

皮影中国 ships an update every 15 months, 亿童图书 every 5 weeks. The most recent releases landed on October 8, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | 皮影中国 | 亿童图书 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 5 weeks** |
| Size | 336 MB | 80 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nanjing Octopus Tech Co. Ltd.](https://appshunter.io/developer/1084225553) | [武汉亿童文教股份有限公司](https://appshunter.io/developer/977882876) |

## What reviewers say

### 皮影中国

[App page](https://appshunter.io/ios/app/id1477926577)

**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 皮影中国 free?

皮影中国 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 皮影中国 or 亿童图书 have ads?

Neither 皮影中国 nor 亿童图书 shows ads.

### Which is updated more often, 皮影中国 or 亿童图书?

皮影中国 ships an update every 15 months, and 亿童图书 every 5 weeks. Most recently, 皮影中国 was updated on October 8, 2026 and 亿童图书 on October 22, 2026.

---

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