# 국가대체자료공유시스템(DREAM) vs 엑스북

The clearest difference is update cadence: 국가대체자료공유시스템(DREAM) at every 6 weeks against 엑스북's every 4 months. 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.

국가대체자료공유시스템(DREAM) ships an update every 6 weeks, 엑스북 every 4 months. The most recent releases landed on September 16, 2026 and August 18, 2026 respectively.

## The numbers

| Metric | 국가대체자료공유시스템(DREAM) | 엑스북 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 65.2% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 4 months |
| Monetization | Free | Free |
| Size | 195 MB | 153 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [National Library for the Disabled](https://appshunter.io/developer/1691685386) | [Bookers Inc.](https://appshunter.io/developer/1521764867) |

## What reviewers say

### 국가대체자료공유시스템(DREAM)

[App page](https://appshunter.io/ios/app/dream/id947792639)

This mobile service provides access to alternative formats of reading materials for individuals with disabilities. It allows users to search for and access resources like text DAISY, audio DAISY, MP3 recordings, and e-books from participating libraries. Users can also sync their library and bookmark information with a desktop application.

**Highlights:** Search for alternative reading materials, Access text DAISY, audio DAISY, MP3 recordings, Read e-books, Sync 'My Library' with desktop app, Bookmark sharing

**In-app purchases:** none


### 엑스북

[App page](https://appshunter.io/ios/app/xbook/id6745083140)

A specialized B2B reading education platform for students, teachers, and schools, offering a differentiated service with e-books and audiobooks. Access a vast library of content across various genres, updated daily, with flexible subscription models tailored for institutions.

**Highlights:** E-book and audiobook library, Daily content updates, Subscription-based service for institutions, Customizable service models, Reading discussion and awards

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

**In-app purchases:** none


## Frequently asked questions

### Is 국가대체자료공유시스템(DREAM) free?

국가대체자료공유시스템(DREAM) is free to download, with no in-app purchases.

### Is 엑스북 free?

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

### Do 국가대체자료공유시스템(DREAM) or 엑스북 have ads?

Neither 국가대체자료공유시스템(DREAM) nor 엑스북 shows ads.

### Which is updated more often, 국가대체자료공유시스템(DREAM) or 엑스북?

국가대체자료공유시스템(DREAM) ships an update every 6 weeks, and 엑스북 every 4 months. Most recently, 국가대체자료공유시스템(DREAM) was updated on September 16, 2026 and 엑스북 on August 18, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*