# 트레즈북 (TREZBOOK) vs 책도둑

The clearest difference is in-app purchases: 트레즈북 (TREZBOOK) at none against 책도둑's 3. 트레즈북 (TREZBOOK) also leads on review sentiment (100% vs 86%). 책도둑's advantage is device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

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

트레즈북 (TREZBOOK) ships an update monthly, 책도둑 every 3 weeks. The most recent releases landed on August 1, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | 트레즈북 (TREZBOOK) | 책도둑 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/trezbook/id6740397124/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **100.0% of reviews** | 85.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 81 MB | 101 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 12+ |
| Developer | [Content Pi](https://appshunter.io/developer/1789735446) | [deonaeunnaeil Co., Ltd.](https://appshunter.io/developer/1802379839) |

## What reviewers say

### 트레즈북 (TREZBOOK)

[App page](https://appshunter.io/ios/app/trezbook/id6740397124)

Track your reading progress, share reviews, and connect with other readers. Discover new books through personalized recommendations and join or create book clubs and reading challenges for a more engaging experience.

**Highlights:** Reading progress tracking, Book reviews and ratings, Social feed for book discussions, Book club participation and creation, Reading challenges, Quote scanning and recording

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is 트레즈북 (TREZBOOK) free?

트레즈북 (TREZBOOK) is free to download, with no in-app purchases.

### Is 책도둑 free?

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

### Do 트레즈북 (TREZBOOK) or 책도둑 have ads?

Neither 트레즈북 (TREZBOOK) nor 책도둑 shows ads.

### Which is updated more often, 트레즈북 (TREZBOOK) or 책도둑?

트레즈북 (TREZBOOK) ships an update monthly, and 책도둑 every 3 weeks. Most recently, 트레즈북 (TREZBOOK) was updated on August 1, 2026 and 책도둑 on September 22, 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.*