# iRead臺北市立圖書館 vs udn 讀書館

The clearest difference is ads: iRead臺北市立圖書館 at none against udn 讀書館's shown. iRead臺北市立圖書館 also leads on update cadence (every 2 weeks vs every 6 weeks) and iOS requirement (13.0 vs 16.0). udn 讀書館's advantage is review sentiment (50% vs 35%). On price, rating, ratings volume 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.

On the App Store both sit at effectively the same score — 2.4 for iRead臺北市立圖書館 against 2.5 for udn 讀書館. Both are backed by a comparable volume of ratings — 17 and 8 respectively. Written reviews are what separate them: 35% of iRead臺北市立圖書館's written reviews are positive against 50% of udn 讀書館's.

iRead臺北市立圖書館 ships an update every 2 weeks, udn 讀書館 every 6 weeks. The most recent releases landed on September 17, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | iRead臺北市立圖書館 | udn 讀書館 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.4 (17 ratings)](https://appshunter.io/ios/app/iread/id730787415/reviews) | **[2.5 (8 ratings)](https://appshunter.io/ios/app/udn/id1342153816/reviews)** |
| Number of ratings | **17** | 8 |
| Positive reviews | 35.0% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Monetization | Ad-supported | Ad-supported |
| Size | 61 MB | 63 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [臺北市政府](https://appshunter.io/developer/376788741) | [udn.com](https://appshunter.io/developer/370132216) |

## What reviewers say

### iRead臺北市立圖書館

[App page](https://appshunter.io/ios/app/iread/id730787415)

Discover new and popular books from the Taipei Public Library's collection. Manage multiple library cards, view borrowing history, and receive timely notifications. Quickly search the catalog, scan ISBNs, and borrow books directly from your device.

**Highlights:** Book discovery and recommendations, Multi-card management, Borrowing and reservation tracking, Real-time push notifications, Advanced catalog search, ISBN barcode scanning, Mobile book borrowing

**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 iRead臺北市立圖書館 free?

iRead臺北市立圖書館 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, iRead臺北市立圖書館 or udn 讀書館?

udn 讀書館 is rated higher. iRead臺北市立圖書館 averages 2.4 out of 5 from 17 ratings, while udn 讀書館 averages 2.5 from 8 ratings.

### Do iRead臺北市立圖書館 or udn 讀書館 have ads?

udn 讀書館 shows ads; iRead臺北市立圖書館 does not.

### Which is updated more often, iRead臺北市立圖書館 or udn 讀書館?

iRead臺北市立圖書館 ships an update every 2 weeks, and udn 讀書館 every 6 weeks. Most recently, iRead臺北市立圖書館 was updated on September 17, 2026 and udn 讀書館 on September 19, 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.*