# 상명대 eBook vs 이만배

The clearest difference is review sentiment: 이만배 at 89% against 상명대 eBook's 11%. 이만배 also leads on update cadence (every 6 weeks vs every 4 months). 상명대 eBook's advantage is in-app purchases (none vs 11). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 이만배 sells 8 one-off in-app purchases. 상명대 eBook asks for nothing beyond the download.

상명대 eBook ships an update every 4 months, 이만배 every 6 weeks. The most recent releases landed on October 17, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 상명대 eBook | 이만배 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 11.1% of reviews | **88.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 68 MB | 28 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [BOOKCUBE NETWORKS](https://appshunter.io/developer/576288019) | [주식회사 노틸러스](https://appshunter.io/developer/1723483238) |

## What reviewers say

### 상명대 eBook

[App page](https://appshunter.io/ios/app/ebook/id1135336247)

Access and read e-books from Sangmyung University's digital library. Borrow, view, reserve, and return books conveniently on your smartphone. Enjoy a smart e-book experience anytime, anywhere.

**Highlights:** E-book library access, Borrow, view, reserve, and return books, Smartphone reading experience, Free to use, Audio player and TTS functionality

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

**In-app purchases:** none


### 이만배

[App page](https://appshunter.io/ios/app/id6475259220)

**Features:** Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5,000 Ⓒ | $3.99 | one-time |
| 10,000 Ⓒ + 500 Ⓑ | $6.99 | one-time |
| 15,000 Ⓒ + 900 Ⓑ | $9.99 | one-time |
| 30,000 Ⓒ + 2,100 Ⓑ | $19.99 | one-time |
| 30,000 Ⓒ + 2,100 Ⓑ | $24.99 | one-time |
| 50,000 Ⓒ + 4,000 Ⓑ | $34.99 | one-time |
| 50,000 Ⓒ + 4,000 Ⓑ | $39.99 | one-time |
| 100,000 Ⓒ + 10,000 Ⓑ | $69.99 | one-time |


## Frequently asked questions

### Is 상명대 eBook free?

상명대 eBook is free to download, with no in-app purchases.

### Is 이만배 free?

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

### Do 상명대 eBook or 이만배 have ads?

Neither 상명대 eBook nor 이만배 shows ads.

### Which is updated more often, 상명대 eBook or 이만배?

상명대 eBook ships an update every 4 months, and 이만배 every 6 weeks. Most recently, 상명대 eBook was updated on October 17, 2026 and 이만배 on October 30, 2026.

---

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