# 서울도서관 통합전자책 뷰어 3.0 vs 책기록

The clearest difference is update cadence: 책기록 at every 3 days against 서울도서관 통합전자책 뷰어 3.0's every 2 months. 서울도서관 통합전자책 뷰어 3.0's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, 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.

서울도서관 통합전자책 뷰어 3.0 ships an update every 2 months, 책기록 every 3 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 서울도서관 통합전자책 뷰어 3.0 | 책기록 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (3 ratings)](https://appshunter.io/ios/app/30/id6743486883/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 21.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 99 MB | 7 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [(주)이씨오](https://appshunter.io/developer/371073988) | [sunguk park](https://appshunter.io/developer/1873227147) |

## What reviewers say

### 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


### 책기록

[App page](https://appshunter.io/ios/app/id6814522901)

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

**In-app purchases:** none


## Frequently asked questions

### Is 서울도서관 통합전자책 뷰어 3.0 free?

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

### Is 책기록 free?

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

### Do 서울도서관 통합전자책 뷰어 3.0 or 책기록 have ads?

Neither 서울도서관 통합전자책 뷰어 3.0 nor 책기록 shows ads.

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

서울도서관 통합전자책 뷰어 3.0 ships an update every 2 months, and 책기록 every 3 days. Most recently, 서울도서관 통합전자책 뷰어 3.0 was updated on October 30, 2026 and 책기록 on October 31, 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.*