# 예스24 전자도서관 (리뉴얼) vs 이씨오 범용뷰어 3.0

The clearest difference is review sentiment: 예스24 전자도서관 (리뉴얼) at 28% against 이씨오 범용뷰어 3.0's 7%. 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.

예스24 전자도서관 (리뉴얼) ships an update monthly, 이씨오 범용뷰어 3.0 every 2 months. The most recent releases landed on October 15, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | 예스24 전자도서관 (리뉴얼) | 이씨오 범용뷰어 3.0 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.9 (17 ratings)](https://appshunter.io/ios/app/24/id1584897771/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | **27.8% of reviews** | 7.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | Free |
| Size | 307 MB | 98 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [예스24](https://appshunter.io/developer/360051539) | [(주)이씨오](https://appshunter.io/developer/371073988) |

## What reviewers say

### 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

**In-app purchases:** none


### 이씨오 범용뷰어 3.0

[App page](https://appshunter.io/ios/app/30/id6738065791)

This application allows users to read eBooks from ECO, Inc. Download and access your borrowed books anytime, anywhere. Essential for re-reading loaned digital content.

**Highlights:** Read eBooks, Download books, Access borrowed books, Anytime, anywhere access

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 예스24 전자도서관 (리뉴얼) free?

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

### Is 이씨오 범용뷰어 3.0 free?

이씨오 범용뷰어 3.0 is free to download, with no in-app purchases.

### Do 예스24 전자도서관 (리뉴얼) or 이씨오 범용뷰어 3.0 have ads?

Neither 예스24 전자도서관 (리뉴얼) nor 이씨오 범용뷰어 3.0 shows ads.

### Which is updated more often, 예스24 전자도서관 (리뉴얼) or 이씨오 범용뷰어 3.0?

예스24 전자도서관 (리뉴얼) ships an update monthly, and 이씨오 범용뷰어 3.0 every 2 months. Most recently, 예스24 전자도서관 (리뉴얼) was updated on October 15, 2026 and 이씨오 범용뷰어 3.0 on October 16, 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.*