# 杜杜快乐阅读2B vs blaboo

The clearest difference is update cadence: blaboo at every 9 days against 杜杜快乐阅读2B's every 6 months. 杜杜快乐阅读2B's advantage is iOS requirement (9.0 vs 15.6). 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.

杜杜快乐阅读2B ships an update every 6 months, blaboo every 9 days. The most recent releases landed on October 4, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | 杜杜快乐阅读2B | blaboo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (10 ratings)](https://appshunter.io/ios/app/blaboo/id1441741187/reviews)** |
| Number of ratings | — | **10** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 9 days** |
| Monetization | — | Free |
| Size | 356 MB | 55 MB |
| Requires iOS | **9.0** | 15.6 |
| 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) | [JeongHean Kim](https://appshunter.io/developer/1441741186) |

## What reviewers say

### 杜杜快乐阅读2B

[App page](https://appshunter.io/ios/app/2b/id930980933)

**Features:** macOS Compatibility

**In-app purchases:** none


### blaboo

[App page](https://appshunter.io/ios/app/blaboo/id1441741187)

Learn new words through engaging illustrations and audio pronunciation. This free app supports multiple languages and offers various categories for vocabulary building. Review learned words with flashcards.

**Highlights:** Illustrated word learning, Audio pronunciation, Multiple language support, Categorized vocabulary, Flashcard review

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

**In-app purchases:** none


## Frequently asked questions

### Is 杜杜快乐阅读2B free?

杜杜快乐阅读2B is free to download, with no in-app purchases.

### Is blaboo free?

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

### Do 杜杜快乐阅读2B or blaboo have ads?

Neither 杜杜快乐阅读2B nor blaboo shows ads.

### Which is updated more often, 杜杜快乐阅读2B or blaboo?

杜杜快乐阅读2B ships an update every 6 months, and blaboo every 9 days. Most recently, 杜杜快乐阅读2B was updated on October 4, 2026 and blaboo on October 12, 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.*