# 북큐브 전자도서관 vs 엑스북

The clearest difference is iOS requirement: 엑스북 at 12.0 against 북큐브 전자도서관's 15.0. On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

북큐브 전자도서관 ships an update every 2 months, 엑스북 every 4 months. The most recent releases landed on September 25, 2026 and August 18, 2026 respectively.

## The numbers

| Metric | 북큐브 전자도서관 | 엑스북 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.5 (10 ratings)](https://appshunter.io/ios/app/id1007007455/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 62.5% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free | Free |
| Size | 138 MB | 153 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BOOKCUBE NETWORKS](https://appshunter.io/developer/576288019) | [Bookers Inc.](https://appshunter.io/developer/1521764867) |

## What reviewers say

### 북큐브 전자도서관

[App page](https://appshunter.io/ios/app/id1007007455)

Access a vast collection of e-books and audiobooks from over 500 partner libraries, including universities, public libraries, and corporate collections. Enjoy smart e-reading on your iPhone or iPad, with features for borrowing, reading, reserving, and returning books.

**Highlights:** Access to 500+ partner libraries, Borrow, read, reserve, and return e-books, Supports audiobooks, Smart e-reading on iOS devices, Free to use

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

**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 북큐브 전자도서관 free?

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

### Is 엑스북 free?

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

### Do 북큐브 전자도서관 or 엑스북 have ads?

Neither 북큐브 전자도서관 nor 엑스북 shows ads.

### Which is updated more often, 북큐브 전자도서관 or 엑스북?

북큐브 전자도서관 ships an update every 2 months, and 엑스북 every 4 months. Most recently, 북큐브 전자도서관 was updated on September 25, 2026 and 엑스북 on August 18, 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.*