# 長庚醫學eBook vs 書紐 eXross

The clearest difference is update cadence: 書紐 eXross at every 6 weeks against 長庚醫學eBook's every 4 months. 長庚醫學eBook's advantage is iOS requirement (8.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

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

長庚醫學eBook ships an update every 4 months, 書紐 eXross every 6 weeks. The most recent releases landed on October 3, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | 長庚醫學eBook | 書紐 eXross |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/exross/id1671469907/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 21 MB | 23 MB |
| Requires iOS | **8.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [HamaStar Technology Co., Ltd.](https://appshunter.io/developer/453199183) | [華藝數位股份有限公司, Airiti Inc.](https://appshunter.io/developer/505365472) |

## What reviewers say

### 長庚醫學eBook

[App page](https://appshunter.io/ios/app/ebook/id947195121)

**In-app purchases:** none


### 書紐 eXross

[App page](https://appshunter.io/ios/app/exross/id1671469907)

This app consolidates your digital book purchases from various online bookstores into a single, unified e-reader. Enjoy a seamless reading experience with features like easy book searching, customizable reading modes, and offline access.

**Highlights:** Consolidate eBooks from multiple bookstores, Unified digital bookshelf, Easy book searching and filtering, Customizable reading modes, Online and offline reading options, Continue reading from last session

**In-app purchases:** none


## Frequently asked questions

### Is 長庚醫學eBook free?

長庚醫學eBook is free to download, with no in-app purchases.

### Is 書紐 eXross free?

書紐 eXross is free to download, with no in-app purchases.

### Do 長庚醫學eBook or 書紐 eXross have ads?

Neither 長庚醫學eBook nor 書紐 eXross shows ads.

### Which is updated more often, 長庚醫學eBook or 書紐 eXross?

長庚醫學eBook ships an update every 4 months, and 書紐 eXross every 6 weeks. Most recently, 長庚醫學eBook was updated on October 3, 2026 and 書紐 eXross on October 2, 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.*