# 웅진OPMS 전자책뷰어 vs 밀리의서재

The clearest difference is review sentiment: 밀리의서재 at 69% against 웅진OPMS 전자책뷰어's 0%. 밀리의서재 also leads on rating (4.5 vs 1.0) and ratings volume (1.5K vs 1). 웅진OPMS 전자책뷰어's advantage is in-app purchases (none vs 2) and iOS requirement (9.0 vs 15.0). On price and ads there is nothing between them.

Both are free to download. 밀리의서재 sells 2 in-app purchases, starting at $10.99 per month. 웅진OPMS 전자책뷰어 asks for nothing beyond the download.

밀리의서재 holds the better App Store score, 4.5 against 1.0. That said, the two scores are not equally well evidenced: 밀리의서재 has 1.5K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of 웅진OPMS 전자책뷰어's written reviews are positive against 69% of 밀리의서재's.

웅진OPMS 전자책뷰어 ships an update every 2 months, 밀리의서재 every 3 weeks. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 웅진OPMS 전자책뷰어 | 밀리의서재 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/opms/id1201769721/reviews) | **[4.5 (1.5K ratings)](https://appshunter.io/ios/app/id1213788923/reviews)** |
| Number of ratings | 1 | **1.5K** |
| Positive reviews | 0.0% of reviews | **69.1% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Freemium |
| Best chart rank | — | **#73** |
| Size | 61 MB | 282 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [OPMS Co., LTD.](https://appshunter.io/developer/408810462) | [kt millie seojae Co.,Ltd](https://appshunter.io/developer/1213788922) |

## What reviewers say

### 웅진OPMS 전자책뷰어

[App page](https://appshunter.io/ios/app/opms/id1201769721)

Access and read a wide selection of e-books from the OPMS mall directly on your device. Organize your library, search content quickly, and customize your reading experience with bookmarks, highlights, and adjustable text settings for optimal readability.

**Highlights:** Organized digital library, Fast text search, Bookmark and highlight functionality, Customizable background and font size, Optimized readability across devices

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

**In-app purchases:** none


### 밀리의서재

[App page](https://appshunter.io/ios/app/id1213788923)

**Currently charting:** #73 Top Grossing · Book (US App Store)

This platform offers a vast library of bestsellers, new releases, and audiobooks, providing a comprehensive reading and listening experience. Discover curated content, personalized recommendations, and unique formats like interactive chatbooks and visual objectbooks.

**Highlights:** Extensive collection of bestsellers and new releases, Vast audiobook library with celebrity narrations, Unique reading formats: Docentbooks, Objectbooks, Chatbooks, Personalized book recommendations based on data, Authoring platform for aspiring writers, Readability analysis and completion probability

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Subscription - iOS | $10.99 | per month |
| 1 Year Subscription - iOS | $109.99 | per year |

**What reviewers like**

- 🌟 Diverse book selection
- 🌍 Accessible for overseas users
- 🕰️ Convenient reading experience
- 📚 Vast library of content
- 💰 Affordable subscription

**What reviewers complain about**

- 🐌 Slow loading and performance issues
- 🔍 Limited book availability
- 🔧 Buggy app with frequent crashes
- 🤔 Confusing user interface
- 💳 Billing and subscription problems

**Reported bugs**

- Inability to restore purchases
- Inconsistent behavior when switching between devices
- Unreliable offline reading functionality
- Corrupted book data and lost progress
- Compatibility issues with older devices

**Requested features**

- Improved sync between devices
- More customization options
- Enhanced annotation and highlighting tools
- Expanded audiobook library
- Smoother integration with other platforms


## Frequently asked questions

### Is 웅진OPMS 전자책뷰어 free?

웅진OPMS 전자책뷰어 is free to download, with no in-app purchases.

### Is 밀리의서재 free?

밀리의서재 is free to download, with in-app purchases available.

### Which has better reviews, 웅진OPMS 전자책뷰어 or 밀리의서재?

밀리의서재 is rated higher. 웅진OPMS 전자책뷰어 averages 1.0 out of 5 from 1 ratings, while 밀리의서재 averages 4.5 from 1.5K ratings.

### Do 웅진OPMS 전자책뷰어 or 밀리의서재 have ads?

Neither 웅진OPMS 전자책뷰어 nor 밀리의서재 shows ads.

### Which is updated more often, 웅진OPMS 전자책뷰어 or 밀리의서재?

웅진OPMS 전자책뷰어 ships an update every 2 months, and 밀리의서재 every 3 weeks. Most recently, 웅진OPMS 전자책뷰어 was updated on October 24, 2026 and 밀리의서재 on October 27, 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.*