# 杜杜快乐阅读1A vs Study Phonics

The clearest difference is iOS requirement: 杜杜快乐阅读1A at 9.0 against Study Phonics's 15. 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.

杜杜快乐阅读1A ships an update every 5 months, Study Phonics every 8 months. The most recent releases landed on October 5, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | 杜杜快乐阅读1A | Study Phonics |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 8 months |
| Size | 278 MB | 46 MB |
| Requires iOS | **9.0** | 15 |
| 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) | [Masao Nakajima](https://appshunter.io/developer/1537219074) |

## What reviewers say

### 杜杜快乐阅读1A

[App page](https://appshunter.io/ios/app/1a/id923234282)

**Features:** macOS Compatibility

**In-app purchases:** none


### Study Phonics

[App page](https://appshunter.io/ios/app/study-phonics/id1548240927)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 杜杜快乐阅读1A free?

杜杜快乐阅读1A is free to download, with no in-app purchases.

### Is Study Phonics free?

Study Phonics is free to download, with no in-app purchases.

### Do 杜杜快乐阅读1A or Study Phonics have ads?

Neither 杜杜快乐阅读1A nor Study Phonics shows ads.

### Which is updated more often, 杜杜快乐阅读1A or Study Phonics?

杜杜快乐阅读1A ships an update every 5 months, and Study Phonics every 8 months. Most recently, 杜杜快乐阅读1A was updated on October 5, 2026 and Study Phonics on October 2, 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.*