# 台灣雲端書庫 vs udn 讀書館

The clearest difference is rating: udn 讀書館 at 2.5 against 台灣雲端書庫's 1.3. udn 讀書館 also leads on review sentiment (50% vs 27%). 台灣雲端書庫's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 6 weeks). On price, ratings volume, 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.

udn 讀書館 holds the better App Store score, 2.5 against 1.3. Both are backed by a comparable volume of ratings — 3 and 8 respectively. Written reviews point the same way: 27% of 台灣雲端書庫's written reviews are positive against 50% of udn 讀書館's.

台灣雲端書庫 ships an update every 3 weeks, udn 讀書館 every 6 weeks. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | 台灣雲端書庫 | udn 讀書館 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.3 (3 ratings)](https://appshunter.io/ios/app/id675068310/reviews) | **[2.5 (8 ratings)](https://appshunter.io/ios/app/udn/id1342153816/reviews)** |
| Number of ratings | 3 | **8** |
| Positive reviews | 27.3% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | — | Ad-supported |
| Size | 48 MB | 63 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [遠流出版公司](https://appshunter.io/developer/393798496) | [udn.com](https://appshunter.io/developer/370132216) |

## What reviewers say

### 台灣雲端書庫

[App page](https://appshunter.io/ios/app/id675068310)

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

**In-app purchases:** none


### udn 讀書館

[App page](https://appshunter.io/ios/app/udn/id1342153816)

Access e-books, magazines, and newspapers from multiple libraries in one app. Enjoy a seamless reading experience with offline capabilities and customizable settings. Borrow and reserve digital content for free.

**Highlights:** Integrates multiple library lending services, Free mobile borrowing of e-books, magazines, newspapers, Offline reading of downloaded content, Supports PDF and EPUB formats, Customizable reading settings (brightness, text size, night mode), Borrow and reserve books with automatic returns

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 台灣雲端書庫 free?

台灣雲端書庫 is free to download, with no in-app purchases.

### Is udn 讀書館 free?

udn 讀書館 is free to download, with no in-app purchases.

### Which has better reviews, 台灣雲端書庫 or udn 讀書館?

udn 讀書館 is rated higher. 台灣雲端書庫 averages 1.3 out of 5 from 3 ratings, while udn 讀書館 averages 2.5 from 8 ratings.

### Do 台灣雲端書庫 or udn 讀書館 have ads?

udn 讀書館 shows ads; 台灣雲端書庫 does not.

### Which is updated more often, 台灣雲端書庫 or udn 讀書館?

台灣雲端書庫 ships an update every 3 weeks, and udn 讀書館 every 6 weeks. Most recently, 台灣雲端書庫 was updated on November 1, 2026 and udn 讀書館 on November 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.*