# 이씨오 범용뷰어 3.0 vs 이택스북 (etaxbook) v3.0

The clearest difference is update cadence: 이씨오 범용뷰어 3.0 at every 2 months against 이택스북 (etaxbook) v3.0's every 7 months. 이택스북 (etaxbook) v3.0's advantage is iOS requirement (11.0 vs 15.0). On ads, in-app purchases, monetization model and device support there is nothing between them.

이씨오 범용뷰어 3.0 ships an update every 2 months, 이택스북 (etaxbook) v3.0 every 7 months. The most recent releases landed on October 25, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | 이씨오 범용뷰어 3.0 | 이택스북 (etaxbook) v3.0 |
| --- | --- | --- |
| Price | **Free** | — |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/etaxbook-v30/id6747701030/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 7.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 7 months |
| Monetization | Free | Free |
| Size | 98 MB | 3 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [(주)이씨오](https://appshunter.io/developer/371073988) | [BYOUNGSOOK KO](https://appshunter.io/developer/975991670) |

## What reviewers say

### 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


### 이택스북 (etaxbook) v3.0

[App page](https://appshunter.io/ios/app/etaxbook-v30/id6747701030)

This app provides tax and accounting professionals with access to a library of e-books. It features advanced search, bookmarking, and the ability to view author commentary videos. The latest version ensures access to new 2025 tax content.

**Highlights:**  목차 보기,  검색 기능,  예규판례 링크,  북마크 및 메모,  동영상 보기,  텍스트 복사,  인쇄 기능

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

**In-app purchases:** none


## Frequently asked questions

### Is 이씨오 범용뷰어 3.0 free?

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

### Is 이택스북 (etaxbook) v3.0 free?

Pricing for 이택스북 (etaxbook) v3.0 is not currently listed on the App Store.

### Do 이씨오 범용뷰어 3.0 or 이택스북 (etaxbook) v3.0 have ads?

Neither 이씨오 범용뷰어 3.0 nor 이택스북 (etaxbook) v3.0 shows ads.

### Which is updated more often, 이씨오 범용뷰어 3.0 or 이택스북 (etaxbook) v3.0?

이씨오 범용뷰어 3.0 ships an update every 2 months, and 이택스북 (etaxbook) v3.0 every 7 months. Most recently, 이씨오 범용뷰어 3.0 was updated on October 25, 2026 and 이택스북 (etaxbook) v3.0 on October 14, 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.*