# 성북u vs 예스24 eBook & 크레마클럽

The clearest difference is rating: 예스24 eBook & 크레마클럽 at 4.5 against 성북u's 3.0. 예스24 eBook & 크레마클럽 also leads on ratings volume (299 vs 2) and update cadence (weekly vs every 3 weeks). 성북u's advantage is monetization model (free vs free with in-app purchases). On price, ads, in-app purchases and device support there is nothing between them.

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

예스24 eBook & 크레마클럽 holds the better App Store score, 4.5 against 3.0. That said, the two scores are not equally well evidenced: 예스24 eBook & 크레마클럽 has 299 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 33% of 성북u's written reviews are positive against 44% of 예스24 eBook & 크레마클럽's.

성북u ships an update every 3 weeks, 예스24 eBook & 크레마클럽 weekly. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 성북u | 예스24 eBook & 크레마클럽 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/u/id472920010/reviews) | **[4.5 (299 ratings)](https://appshunter.io/ios/app/24-ebook-and/id1009076561/reviews)** |
| Number of ratings | 2 | **299** |
| Positive reviews | 33.3% of reviews | **43.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 19 MB | 377 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | +9 |
| Developer | [(주)이씨오](https://appshunter.io/developer/371073988) | [예스24](https://appshunter.io/developer/360051539) |

## What reviewers say

### 성북u

[App page](https://appshunter.io/ios/app/u/id472920010)

This application unifies multiple libraries in the Seongbuk district, offering integrated search for their collections. Members can access library services, reserve books, manage loans, and view their borrowing history.

**Highlights:** Integrated library search, Book reservations and cancellations, Loan management, Borrowing history, Unified access to multiple libraries

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

**In-app purchases:** none


### 예스24 eBook & 크레마클럽

[App page](https://appshunter.io/ios/app/24-ebook-and/id1009076561)

This app offers a comprehensive reading experience for eBooks purchased from a major online bookstore. Enjoy features like intuitive library management, personalized reading environments, and text-to-speech functionality. It also includes a subscription service for unlimited reading of new and best-selling titles.

**Highlights:** Intuitive book management, Personalized reading environment, Text-to-Speech (TTS) reading, Automatic scrolling, Privacy controls, Reading life management tools, PDF annotation

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Clean and intuitive interface design
- 📚 Convenient access to Korean books overseas
- 💰 Good value for money with subscription service
- 🎧 Audio book functionality with speed/pitch control
- ✏️ Highlight and memo features available

**What reviewers complain about**

- 🐛 Frequent app crashes and freezes
- ⚠️ Poor page synchronization across devices
- 🔒 Screenshot/capture restrictions too strict
- ⏱️ Slow app performance and loading times
- 📵 Touch responsiveness issues on iPad

**Reported bugs**

- Page turning and scrolling unresponsive
- Crema Club tab showing blank pages
- Highlighting function causing screen freezing
- Audio playback not working across devices
- Page synchronization failing between devices

**Requested features**

- MacBook/desktop version support
- Better cross-device page synchronization
- Auto-save functionality for notes and memos
- Partial eraser tool for annotations
- Direct note-taking on book pages (sticky notes)


## Frequently asked questions

### Is 성북u free?

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

### Is 예스24 eBook & 크레마클럽 free?

예스24 eBook & 크레마클럽 is free to download, with no in-app purchases.

### Which has better reviews, 성북u or 예스24 eBook & 크레마클럽?

예스24 eBook & 크레마클럽 is rated higher. 성북u averages 3.0 out of 5 from 2 ratings, while 예스24 eBook & 크레마클럽 averages 4.5 from 299 ratings.

### Do 성북u or 예스24 eBook & 크레마클럽 have ads?

Neither 성북u nor 예스24 eBook & 크레마클럽 shows ads.

### Which is updated more often, 성북u or 예스24 eBook & 크레마클럽?

성북u ships an update every 3 weeks, and 예스24 eBook & 크레마클럽 weekly. Most recently, 성북u was updated on November 1, 2026 and 예스24 eBook & 크레마클럽 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.*