# 杜杜快乐阅读4B

> 杜杜快乐阅读4B (iPhone/iPad app by Changsha Xingcan Software Development Co., Ltd..)

- Source: https://appshunter.io/ios/app/4b/id1150919307 (this page in markdown: same URL + `.md`)
- Developer: [Changsha Xingcan Software Development Co., Ltd.](https://appshunter.io/developer/1126375430)
- Category: Education, Books
- Price: Free
- Age rating: 4+
- Requires: iOS 9.0 · 158 MB
- Languages: Chinese (Simplified, China)
- Released: 2016-09-15
- Data updated: 2026-06-10
- User reviews in markdown: https://appshunter.io/ios/app/4b/id1150919307/reviews.md

## What is 杜杜快乐阅读4B?

来自北美的幼儿亲子英文启蒙教育——杜杜快乐阅读。
快来跟着我们的好朋友“Octi”开始神秘的快乐阅读之旅吧！


## Version history (last 5 releases)

### 2.7 — 2022-04-25

重新上架，修复了已知的bug

### 2.5 — 2017-10-15

Apple 已更新此 App 以显示 Apple Watch App 图标。

修复了已知的若干bug

### 2.4 — 2017-08-18

修复了若干已知的Bug

### 2.3 — 2017-03-23

1.网络不稳定的情况下自动重连
2.修复了已知的一系列bug

### 2.2 — 2017-03-07

1.新增了两个过关游戏
2.新增了每本的全文通读
3.修复了已知的若干bug

## More apps by Changsha Xingcan Software Development Co., Ltd.

- [杜杜快乐阅读1A](https://appshunter.io/ios/app/1a/id923234282)
- [杜杜快乐阅读1B](https://appshunter.io/ios/app/1b/id929247622)
- [杜杜快乐阅读2A](https://appshunter.io/ios/app/2a/id930923807)
- [杜杜快乐阅读2B](https://appshunter.io/ios/app/2b/id930980933)
- [杜杜快乐阅读3A](https://appshunter.io/ios/app/3a/id930986001)
- [杜杜快乐阅读4A](https://appshunter.io/ios/app/4a/id1129812218)

All apps by Changsha Xingcan Software Development Co., Ltd.: https://appshunter.io/developer/1126375430

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*