# 블루래빗바다 vs 북카이브

The clearest difference is update cadence: 북카이브 at every 5 days against 블루래빗바다's monthly. 블루래빗바다's advantage is device support (3 vs 1) and iOS requirement (5.1.1 vs 16.6). On price, 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, 북카이브 every 5 days. The most recent releases landed on September 22, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | 블루래빗바다 | 북카이브 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 13.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | Free | — |
| Size | 258 MB | 79 MB |
| Requires iOS | **5.1.1** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Alzzam Education Corp.](https://appshunter.io/developer/868032382) | [Lightsoft](https://appshunter.io/developer/1517333240) |

## 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


### 북카이브

[App page](https://appshunter.io/ios/app/id6742368090)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 블루래빗바다 free?

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

### Is 북카이브 free?

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

### Do 블루래빗바다 or 북카이브 have ads?

Neither 블루래빗바다 nor 북카이브 shows ads.

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

블루래빗바다 ships an update monthly, and 북카이브 every 5 days. Most recently, 블루래빗바다 was updated on September 22, 2026 and 북카이브 on September 19, 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.*