# iLib Reader 國資圖電子書 vs iCosmos寂天雲

The clearest difference is rating: iLib Reader 國資圖電子書 at 2.3 against iCosmos寂天雲's 1.0. iLib Reader 國資圖電子書 also leads on review sentiment (38% vs 6%) and ratings volume (3 vs 1). On price, update cadence, ads 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.

iLib Reader 國資圖電子書 holds the better App Store score, 2.3 against 1.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews point the same way: 38% of iLib Reader 國資圖電子書's written reviews are positive against 6% of iCosmos寂天雲's.

iLib Reader 國資圖電子書 ships an update monthly, iCosmos寂天雲 every 2 months. The most recent releases landed on September 18, 2026 and August 20, 2026 respectively.

## The numbers

| Metric | iLib Reader 國資圖電子書 | iCosmos寂天雲 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/ilib-reader/id1402417970/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/icosmos/id1544203592/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | **37.7% of reviews** | 6.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | Free |
| Size | 151 MB | 41 MB |
| Requires iOS | **10.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [National Library of Public Information](https://appshunter.io/developer/437739088) | [Soyong Corporation](https://appshunter.io/developer/339142397) |

## What reviewers say

### 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


### iCosmos寂天雲

[App page](https://appshunter.io/ios/app/icosmos/id1544203592)

This app enhances language learning by integrating with specific textbooks. It offers audiobook playback with customizable speeds and repeat functions, as well as interactive MeBook features like synchronized text and audio, pronunciation practice, and vocabulary management tools.

**Highlights:** Audiobook playback with QR code scanning, Synchronized text and audio (MeBook), Customizable playback speed and repetition, Pronunciation practice with microphone input, Vocabulary management and spaced repetition, Reading comprehension exercises, Chapter-based quizzes

**In-app purchases:** none


## Frequently asked questions

### 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.

### Is iCosmos寂天雲 free?

iCosmos寂天雲 is free to download, with no in-app purchases.

### Which has better reviews, iLib Reader 國資圖電子書 or iCosmos寂天雲?

iLib Reader 國資圖電子書 is rated higher. iLib Reader 國資圖電子書 averages 2.3 out of 5 from 3 ratings, while iCosmos寂天雲 averages 1.0 from 1 ratings.

### Do iLib Reader 國資圖電子書 or iCosmos寂天雲 have ads?

Neither iLib Reader 國資圖電子書 nor iCosmos寂天雲 shows ads.

### Which is updated more often, iLib Reader 國資圖電子書 or iCosmos寂天雲?

iLib Reader 國資圖電子書 ships an update monthly, and iCosmos寂天雲 every 2 months. Most recently, iLib Reader 國資圖電子書 was updated on September 18, 2026 and iCosmos寂天雲 on August 20, 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.*