# udn 讀書館 vs iLib Reader 國資圖電子書

The clearest difference is ads: iLib Reader 國資圖電子書 at none against udn 讀書館's shown. iLib Reader 國資圖電子書 also leads on monetization model (free vs ad-supported) and iOS requirement (10.0 vs 16.0). udn 讀書館's advantage is rating (2.5 vs 2.3) and review sentiment (50% vs 38%). On price, ratings volume, update cadence and in-app purchases 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 2.3. Both are backed by a comparable volume of ratings — 8 and 3 respectively. Written reviews point the same way: 50% of udn 讀書館's written reviews are positive against 38% of iLib Reader 國資圖電子書's.

udn 讀書館 ships an update every 6 weeks, iLib Reader 國資圖電子書 monthly. The most recent releases landed on September 19, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | udn 讀書館 | iLib Reader 國資圖電子書 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (8 ratings)](https://appshunter.io/ios/app/udn/id1342153816/reviews)** | [2.3 (3 ratings)](https://appshunter.io/ios/app/ilib-reader/id1402417970/reviews) |
| Number of ratings | **8** | 3 |
| Positive reviews | **50.0% of reviews** | 37.7% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Ad-supported | **Free** |
| Size | 63 MB | 151 MB |
| Requires iOS | 16.0 | **10.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [udn.com](https://appshunter.io/developer/370132216) | [National Library of Public Information](https://appshunter.io/developer/437739088) |

## What reviewers say

### 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


### iLib Reader 國資圖電子書

[App page](https://appshunter.io/ios/app/ilib-reader/id1402417970)

Access and read a vast collection of e-books from public libraries on your mobile device. Borrow, download, and enjoy reading anytime, anywhere, with features like automatic returns and offline access. Supports multiple e-book formats.

**Highlights:** Free e-book borrowing and downloading, Cross-device reading support, Offline reading capability, Automatic e-book returns, Support for EPUB, PDF, and multimedia e-books, Bookmarking and annotation tools, Zoom and page navigation options

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

**In-app purchases:** none


## Frequently asked questions

### Is udn 讀書館 free?

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

### Is iLib Reader 國資圖電子書 free?

iLib Reader 國資圖電子書 is free to download, with no in-app purchases.

### Which has better reviews, udn 讀書館 or iLib Reader 國資圖電子書?

udn 讀書館 is rated higher. udn 讀書館 averages 2.5 out of 5 from 8 ratings, while iLib Reader 國資圖電子書 averages 2.3 from 3 ratings.

### Do udn 讀書館 or iLib Reader 國資圖電子書 have ads?

udn 讀書館 shows ads; iLib Reader 國資圖電子書 does not.

### Which is updated more often, udn 讀書館 or iLib Reader 國資圖電子書?

udn 讀書館 ships an update every 6 weeks, and iLib Reader 國資圖電子書 monthly. Most recently, udn 讀書館 was updated on September 19, 2026 and iLib Reader 國資圖電子書 on September 18, 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.*