# 에피루스 전자책도서관 vs naeilBook

The clearest difference is in-app purchases: 에피루스 전자책도서관 at none against naeilBook's 1. naeilBook's advantage is review sentiment (20% vs 4%) and iOS requirement (9.0 vs 15.6). On price, update cadence, ads and monetization model there is nothing between them.

Both are free to download. naeilBook sells 1 one-off in-app purchase. 에피루스 전자책도서관 asks for nothing beyond the download.

에피루스 전자책도서관 ships an update every 7 months, naeilBook every 4 months. The most recent releases landed on October 26, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | 에피루스 전자책도서관 | naeilBook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (4 ratings)](https://appshunter.io/ios/app/1/id347246821/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 4.3% of reviews | **20.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 months** |
| Monetization | Free | Free |
| Size | 52 MB | 257 MB |
| Requires iOS | 15.6 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Blue Mountain Soft Inc.](https://appshunter.io/developer/347246824) | [Naeil eBiz Co.](https://appshunter.io/developer/556783371) |

## What reviewers say

### 에피루스 전자책도서관

[App page](https://appshunter.io/ios/app/1/id347246821)

Access and read a wide range of e-books from hundreds of public and university libraries. Borrow, return, and enjoy digital books conveniently on your iOS device.

**Highlights:** Unified e-book service, Access public and university libraries, Borrow and return e-books, Read anytime, anywhere, Supports XDF and Epyrus Xbook formats, Reflowable text for comfortable reading

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

**In-app purchases:** none


### naeilBook

[App page](https://appshunter.io/ios/app/naeilbook/id583277967)

This app offers an enhanced e-book reading experience, mimicking the comfort of physical books with features like 3D page rendering, automatic text scaling for vision, and integrated multimedia. It supports advanced annotation and search functionalities across multiple devices.

**Highlights:** 3D page rendering for a physical book feel, Automatic text scaling based on user's eyesight, Integrated multimedia playback (audio, video, animation), Multi-language text-to-speech with pronunciation guidance, Cross-device annotation sharing (notes, highlights, bookmarks), Advanced text search functionality

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Text to speech function addition | $9.99 | one-time |


## Frequently asked questions

### Is 에피루스 전자책도서관 free?

에피루스 전자책도서관 is free to download, with no in-app purchases.

### Is naeilBook free?

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

### Do 에피루스 전자책도서관 or naeilBook have ads?

Neither 에피루스 전자책도서관 nor naeilBook shows ads.

### Which is updated more often, 에피루스 전자책도서관 or naeilBook?

에피루스 전자책도서관 ships an update every 7 months, and naeilBook every 4 months. Most recently, 에피루스 전자책도서관 was updated on October 26, 2026 and naeilBook on October 23, 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.*