# 책도둑 vs 엑스북

The clearest difference is in-app purchases: 엑스북 at none against 책도둑's 3. 엑스북 also leads on iOS requirement (12.0 vs 15.6). 책도둑's advantage is update cadence (every 3 weeks vs every 4 months) and review sentiment (86% vs 67%). On price, ads and device support there is nothing between them.

Both are free to download. 책도둑 sells 3 one-off in-app purchases. 엑스북 asks for nothing beyond the download.

책도둑 ships an update every 3 weeks, 엑스북 every 4 months. The most recent releases landed on October 20, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | 책도둑 | 엑스북 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **85.7% of reviews** | 66.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 101 MB | 153 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [deonaeunnaeil Co., Ltd.](https://appshunter.io/developer/1802379839) | [Bookers Inc.](https://appshunter.io/developer/1521764867) |

## What reviewers say

### 책도둑

[App page](https://appshunter.io/ios/app/id6743348085)

Access a vast library of world classics and Korean short literature with modern translations. Enjoy an immersive reading experience with background music and manage your reading list. New books are continuously added, including hard-to-find titles.

**Highlights:** Extensive library of world classics, Modern, easy-to-read translations, Continuously updated with new titles, Personalized reading lists, Customizable background music for reading, Access to out-of-print books

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 책도둑 티켓 (3일) | $0.49 | one-time |
| 책도둑 티켓 (1년) | $5.99 | one-time |
| 책도둑 티켓 | $11.99 | one-time |


### 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 책도둑 free?

책도둑 is free to download, with in-app purchases available.

### Is 엑스북 free?

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

### Do 책도둑 or 엑스북 have ads?

Neither 책도둑 nor 엑스북 shows ads.

### Which is updated more often, 책도둑 or 엑스북?

책도둑 ships an update every 3 weeks, and 엑스북 every 4 months. Most recently, 책도둑 was updated on October 20, 2026 and 엑스북 on October 14, 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.*