# 오디언도서관 vs 이씨오 범용뷰어 3.0

The clearest difference is review sentiment: 오디언도서관 at 52% against 이씨오 범용뷰어 3.0's 7%. 오디언도서관 also leads on iOS requirement (13.0 vs 15.0). 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.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 오디언도서관 | 이씨오 범용뷰어 3.0 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (5 ratings)](https://appshunter.io/ios/app/id451339970/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | **51.7% of reviews** | 7.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | — | Free |
| Size | 32 MB | 98 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Audiensori Corp.](https://appshunter.io/developer/881693312) | [(주)이씨오](https://appshunter.io/developer/371073988) |

## What reviewers say

### 오디언도서관

[App page](https://appshunter.io/ios/app/id451339970)

**Features:** Vision Pro support

**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 오디언도서관 free?

오디언도서관 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 오디언도서관 or 이씨오 범용뷰어 3.0 have ads?

Neither 오디언도서관 nor 이씨오 범용뷰어 3.0 shows ads.

### Which is updated more often, 오디언도서관 or 이씨오 범용뷰어 3.0?

오디언도서관 ships an update every 2 months, and 이씨오 범용뷰어 3.0 every 2 months. Most recently, 오디언도서관 was updated on October 26, 2026 and 이씨오 범용뷰어 3.0 on October 25, 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.*