# 블루래빗바다 vs 더책

The clearest difference is update cadence: 블루래빗바다 at monthly against 더책's every 4 months. 블루래빗바다 also leads on iOS requirement (5.1.1 vs 13.0). On price, review sentiment, 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.

블루래빗바다 ships an update monthly, 더책 every 4 months. The most recent releases landed on September 22, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | 블루래빗바다 | 더책 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 13.3% of reviews | **20.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 4 months |
| Monetization | Free | — |
| Size | 258 MB | 6 MB |
| Requires iOS | **5.1.1** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alzzam Education Corp.](https://appshunter.io/developer/868032382) | [Media Changbi, Inc.](https://appshunter.io/developer/1491869902) |

## What reviewers say

### 블루래빗바다

[App page](https://appshunter.io/ios/app/augmented-reality/id1005479657)

This app uses augmented reality to bring book content to life with animations. Scan pages from specific books to experience interactive stories and educational content. It's designed to enhance the reading experience for children.

**Highlights:** Augmented Reality book content, Interactive animations, Page recognition technology, Enhanced reading experience, Educational content

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

**In-app purchases:** none


### 더책

[App page](https://appshunter.io/ios/app/id1491869903)

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

**In-app purchases:** none


## Frequently asked questions

### Is 블루래빗바다 free?

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

### Is 더책 free?

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

### Do 블루래빗바다 or 더책 have ads?

Neither 블루래빗바다 nor 더책 shows ads.

### Which is updated more often, 블루래빗바다 or 더책?

블루래빗바다 ships an update monthly, and 더책 every 4 months. Most recently, 블루래빗바다 was updated on September 22, 2026 and 더책 on September 10, 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.*