# BookTree vs 모퉁이

The clearest difference is price: 모퉁이 at Free against BookTree's $4.99. BookTree's advantage is update cadence (every 4 weeks vs every 11 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

모퉁이 is free to download; BookTree costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

BookTree ships an update every 4 weeks, 모퉁이 every 11 months. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | BookTree | 모퉁이 |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.1 (15 ratings)](https://appshunter.io/ios/app/booktree-bookshelf-and-note/id551580603/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 95.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 11 months |
| Monetization | Free | — |
| Size | 51 MB | 83 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | +4 | 4+ |
| Developer | [Youngwan Choi](https://appshunter.io/developer/468424676) | [D.Chain Connect](https://appshunter.io/developer/1637196056) |

## What reviewers say

### BookTree

[App page](https://appshunter.io/ios/app/booktree-bookshelf-and-note/id551580603)

Organize your personal library with this app. Track books, manage your reading progress, and save your favorite highlights and notes. It also offers reading statistics and secure backup options.

**Highlights:** Manage books in various styles, Scan barcodes to add books, Save text and picture highlights, Track reading statistics and goals, Share book info and highlights, Cloud backup and restore, App passcode lock with biometrics

**Features:** macOS Compatibility

**In-app purchases:** none


### 모퉁이

[App page](https://appshunter.io/ios/app/id6739480355)

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

**In-app purchases:** none


## Frequently asked questions

### Is BookTree free?

BookTree costs $4.99, with no in-app purchases.

### Is 모퉁이 free?

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

### Do BookTree or 모퉁이 have ads?

Neither BookTree nor 모퉁이 shows ads.

### Which is updated more often, BookTree or 모퉁이?

BookTree ships an update every 4 weeks, and 모퉁이 every 11 months. Most recently, BookTree was updated on November 6, 2026 and 모퉁이 on October 30, 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.*