# 북큐브 전자도서관 vs 서울도서관 통합전자책 뷰어 3.0

The clearest difference is review sentiment: 북큐브 전자도서관 at 63% against 서울도서관 통합전자책 뷰어 3.0's 22%. 북큐브 전자도서관 also leads on rating (1.5 vs 1.0) and ratings volume (10 vs 3). 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.

북큐브 전자도서관 holds the better App Store score, 1.5 against 1.0. Both are backed by a comparable volume of ratings — 10 and 3 respectively. Written reviews point the same way: 63% of 북큐브 전자도서관's written reviews are positive against 22% of 서울도서관 통합전자책 뷰어 3.0's.

Both ship on a similar rhythm, roughly every 2 months. Both last shipped on October 18, 2026.

## The numbers

| Metric | 북큐브 전자도서관 | 서울도서관 통합전자책 뷰어 3.0 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.5 (10 ratings)](https://appshunter.io/ios/app/id1007007455/reviews)** | [1.0 (3 ratings)](https://appshunter.io/ios/app/30/id6743486883/reviews) |
| Number of ratings | **10** | 3 |
| Positive reviews | **62.5% of reviews** | 21.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 138 MB | 99 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BOOKCUBE NETWORKS](https://appshunter.io/developer/576288019) | [(주)이씨오](https://appshunter.io/developer/371073988) |

## What reviewers say

### 북큐브 전자도서관

[App page](https://appshunter.io/ios/app/id1007007455)

Access a vast collection of e-books and audiobooks from over 500 partner libraries, including universities, public libraries, and corporate collections. Enjoy smart e-reading on your iPhone or iPad, with features for borrowing, reading, reserving, and returning books.

**Highlights:** Access to 500+ partner libraries, Borrow, read, reserve, and return e-books, Supports audiobooks, Smart e-reading on iOS devices, Free to use

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

**In-app purchases:** none


### 서울도서관 통합전자책 뷰어 3.0

[App page](https://appshunter.io/ios/app/30/id6743486883)

This application allows users to read eBooks borrowed from the Seoul Library. Download and access your borrowed books anytime, anywhere through the app's bookshelf. New books must be borrowed from the Seoul Library's eBook website before they can be read.

**Highlights:** Read Seoul Library eBooks, Download books to device, Access borrowed books, Offline reading, User bookshelf

**In-app purchases:** none


## Frequently asked questions

### Is 북큐브 전자도서관 free?

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

### Is 서울도서관 통합전자책 뷰어 3.0 free?

서울도서관 통합전자책 뷰어 3.0 is free to download, with no in-app purchases.

### Which has better reviews, 북큐브 전자도서관 or 서울도서관 통합전자책 뷰어 3.0?

북큐브 전자도서관 is rated higher. 북큐브 전자도서관 averages 1.5 out of 5 from 10 ratings, while 서울도서관 통합전자책 뷰어 3.0 averages 1.0 from 3 ratings.

### Do 북큐브 전자도서관 or 서울도서관 통합전자책 뷰어 3.0 have ads?

Neither 북큐브 전자도서관 nor 서울도서관 통합전자책 뷰어 3.0 shows ads.

### Which is updated more often, 북큐브 전자도서관 or 서울도서관 통합전자책 뷰어 3.0?

북큐브 전자도서관 ships an update every 2 months, and 서울도서관 통합전자책 뷰어 3.0 every 2 months. Most recently, 북큐브 전자도서관 was updated on October 18, 2026 and 서울도서관 통합전자책 뷰어 3.0 on October 18, 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.*