# 성북u vs 예스24 전자도서관 (리뉴얼)

The clearest difference is rating: 성북u at 3.0 against 예스24 전자도서관 (리뉴얼)'s 1.9. 성북u also leads on review sentiment (33% vs 21%). 예스24 전자도서관 (리뉴얼)'s advantage is ratings volume (17 vs 2). On price, update cadence, ads and in-app purchases there is nothing between them.

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

성북u holds the better App Store score, 3.0 against 1.9. That said, the two scores are not equally well evidenced: 예스24 전자도서관 (리뉴얼) has 17 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 21% of 예스24 전자도서관 (리뉴얼)'s.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 23, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | 성북u | 예스24 전자도서관 (리뉴얼) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/u/id472920010/reviews)** | [1.9 (17 ratings)](https://appshunter.io/ios/app/24/id1584897771/reviews) |
| Number of ratings | 2 | **17** |
| Positive reviews | **33.3% of reviews** | 21.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | Free |
| Size | 19 MB | 306 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 app unifies multiple libraries in the Seongbuk district, offering a single platform to search for and manage library resources. Users can reserve books, check loan status, and access their borrowing history across all integrated branches.

**Highlights:** Integrated library search, Book reservations and cancellations, Loan status and history, Renewal requests, Interlibrary loan applications, User authentication for services

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

**In-app purchases:** none


### 예스24 전자도서관 (리뉴얼)

[App page](https://appshunter.io/ios/app/24/id1584897771)

This app provides access to digital libraries for institutional members. Users must be authenticated members of a partner library to log in and access e-books. New users should apply for membership at a participating library.

**Highlights:** Digital library access, Institutional member service, E-book borrowing, Library authentication, Continuous updates

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

**In-app purchases:** none


## Frequently asked questions

### Is 성북u free?

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

### Is 예스24 전자도서관 (리뉴얼) free?

예스24 전자도서관 (리뉴얼) is free to download, with no in-app purchases.

### Which has better reviews, 성북u or 예스24 전자도서관 (리뉴얼)?

성북u is rated higher. 성북u averages 3.0 out of 5 from 2 ratings, while 예스24 전자도서관 (리뉴얼) averages 1.9 from 17 ratings.

### Do 성북u or 예스24 전자도서관 (리뉴얼) have ads?

Neither 성북u nor 예스24 전자도서관 (리뉴얼) shows ads.

### Which is updated more often, 성북u or 예스24 전자도서관 (리뉴얼)?

성북u ships an update every 3 weeks, and 예스24 전자도서관 (리뉴얼) every 3 weeks. Most recently, 성북u was updated on September 23, 2026 and 예스24 전자도서관 (리뉴얼) on September 27, 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.*