# 杜杜快乐阅读4A vs Write Chinese

The clearest difference is ads: 杜杜快乐阅读4A at none against Write Chinese's shown. 杜杜快乐阅读4A also leads on update cadence (every 3 months vs every 16 months) and iOS requirement (9.0 vs 11.0). On price, 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.

杜杜快乐阅读4A ships an update every 3 months, Write Chinese every 16 months. The most recent releases landed on October 26, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | 杜杜快乐阅读4A | Write Chinese |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 16 months |
| Size | 154 MB | 17 MB |
| Requires iOS | **9.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [长沙市星灿软件开发有限公司](https://appshunter.io/developer/1126375430) | [向军 贾](https://appshunter.io/developer/788691093) |

## What reviewers say

### 杜杜快乐阅读4A

[App page](https://appshunter.io/ios/app/4a/id1129812218)

**Features:** macOS Compatibility

**In-app purchases:** none


### Write Chinese

[App page](https://appshunter.io/ios/app/write-chinese2nd-grade-a/id1316830176)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 杜杜快乐阅读4A free?

杜杜快乐阅读4A is free to download, with no in-app purchases.

### Is Write Chinese free?

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

### Do 杜杜快乐阅读4A or Write Chinese have ads?

Write Chinese shows ads; 杜杜快乐阅读4A does not.

### Which is updated more often, 杜杜快乐阅读4A or Write Chinese?

杜杜快乐阅读4A ships an update every 3 months, and Write Chinese every 16 months. Most recently, 杜杜快乐阅读4A was updated on October 26, 2026 and Write Chinese on November 4, 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.*