# 웅진북센 EBOOK vs 이씨오 범용뷰어

The clearest difference is update cadence: 웅진북센 EBOOK at every 2 weeks against 이씨오 범용뷰어's every 4 months. 이씨오 범용뷰어's advantage is iOS requirement (13.0 vs 16.0). On price, review sentiment, 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.

웅진북센 EBOOK ships an update every 2 weeks, 이씨오 범용뷰어 every 4 months. Both last shipped on November 11, 2026.

## The numbers

| Metric | 웅진북센 EBOOK | 이씨오 범용뷰어 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **6.5% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 4 months |
| Monetization | Free | Free |
| Size | 131 MB | 54 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [OPMS Co., LTD.](https://appshunter.io/developer/408810462) | [(주)이씨오](https://appshunter.io/developer/371073988) |

## What reviewers say

### 웅진북센 EBOOK

[App page](https://appshunter.io/ios/app/ebook/id1281509812)

This application provides a reading experience optimized for e-books. It features a user-friendly bookshelf and allows for easy book rentals. The layout is designed to be optimal for both smartphones and tablets.

**Highlights:** Optimized bookshelf for reading, Easy book rentals, Optimal layout for smartphones and tablets, E-book viewing

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

**In-app purchases:** none


### 이씨오 범용뷰어

[App page](https://appshunter.io/ios/app/id1495570610)

This application allows users to read electronic books (eBooks) managed by (주)이씨오. Users can download and access their eBooks from their virtual bookshelf anytime, anywhere. It's also used to re-read borrowed books.

**Highlights:** Read eBooks, Download eBooks, Access virtual bookshelf, Re-read borrowed books

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

**In-app purchases:** none


## Frequently asked questions

### Is 웅진북센 EBOOK free?

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

### Is 이씨오 범용뷰어 free?

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

### Do 웅진북센 EBOOK or 이씨오 범용뷰어 have ads?

Neither 웅진북센 EBOOK nor 이씨오 범용뷰어 shows ads.

### Which is updated more often, 웅진북센 EBOOK or 이씨오 범용뷰어?

웅진북센 EBOOK ships an update every 2 weeks, and 이씨오 범용뷰어 every 4 months. Most recently, 웅진북센 EBOOK was updated on November 11, 2026 and 이씨오 범용뷰어 on November 11, 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.*