# 이씨오 범용뷰어 3.0 vs 크레마클럽 QR

이씨오 범용뷰어 3.0 and 크레마클럽 QR are too close to call on the numbers: across 7 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

이씨오 범용뷰어 3.0 ships an update every 2 months, 크레마클럽 QR monthly. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 이씨오 범용뷰어 3.0 | 크레마클럽 QR |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 7.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | Free |
| Size | 98 MB | 295 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [(주)이씨오](https://appshunter.io/developer/371073988) | [예스24](https://appshunter.io/developer/360051539) |

## 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


### 크레마클럽 QR

[App page](https://appshunter.io/ios/app/qr-24/id6758742906)

Scan QR codes at public places to access and enjoy books. Offers features for focused reading, TTS narration with various voices, and a comfortable night mode. Customize your reading experience with adjustable settings and convenience features.

**Highlights:** QR code book access, Focused reading environment, Text-to-Speech (TTS) narration, Customizable reading settings, Night mode for eye comfort, Convenience features (scrolling, brightness)

**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 크레마클럽 QR free?

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

### Do 이씨오 범용뷰어 3.0 or 크레마클럽 QR have ads?

Neither 이씨오 범용뷰어 3.0 nor 크레마클럽 QR shows ads.

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

이씨오 범용뷰어 3.0 ships an update every 2 months, and 크레마클럽 QR monthly. Most recently, 이씨오 범용뷰어 3.0 was updated on October 27, 2026 and 크레마클럽 QR on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*