# (구)알라딘 전자도서관 vs 웅진OPMS 전자책뷰어

The clearest difference is rating: (구)알라딘 전자도서관 at 3.0 against 웅진OPMS 전자책뷰어's 1.0. (구)알라딘 전자도서관 also leads on review sentiment (27% vs 0%). 웅진OPMS 전자책뷰어's advantage is iOS requirement (9.0 vs 15.0). On price, ratings volume, update cadence and ads there is nothing between them.

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

(구)알라딘 전자도서관 holds the better App Store score, 3.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 27% of (구)알라딘 전자도서관's written reviews are positive against 0% of 웅진OPMS 전자책뷰어's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 30, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | (구)알라딘 전자도서관 | 웅진OPMS 전자책뷰어 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/id897344878/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/opms/id1201769721/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | **27.3% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 30 MB | 61 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aladdin Communication](https://appshunter.io/developer/365898921) | [OPMS Co., LTD.](https://appshunter.io/developer/408810462) |

## What reviewers say

### (구)알라딘 전자도서관

[App page](https://appshunter.io/ios/app/id897344878)

Access and manage your borrowed eBooks from affiliated libraries. Read downloaded books within their loan period. Requires an account with a partner library.

**Highlights:** Borrow and return eBooks, Reserve and extend loans, Read downloaded books, Login with library account, Access affiliated libraries

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is (구)알라딘 전자도서관 free?

(구)알라딘 전자도서관 is free to download, with no in-app purchases.

### Is 웅진OPMS 전자책뷰어 free?

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

### Which has better reviews, (구)알라딘 전자도서관 or 웅진OPMS 전자책뷰어?

(구)알라딘 전자도서관 is rated higher. (구)알라딘 전자도서관 averages 3.0 out of 5 from 2 ratings, while 웅진OPMS 전자책뷰어 averages 1.0 from 1 ratings.

### Do (구)알라딘 전자도서관 or 웅진OPMS 전자책뷰어 have ads?

Neither (구)알라딘 전자도서관 nor 웅진OPMS 전자책뷰어 shows ads.

### Which is updated more often, (구)알라딘 전자도서관 or 웅진OPMS 전자책뷰어?

(구)알라딘 전자도서관 ships an update every 2 months, and 웅진OPMS 전자책뷰어 every 2 months. Most recently, (구)알라딘 전자도서관 was updated on September 30, 2026 and 웅진OPMS 전자책뷰어 on September 22, 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.*