Comparison

國立臺灣圖書館 vs udn 讀書館

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

國立臺灣圖書館

Access a vast library of digital books, audiobooks, and braille content. Discover new titles, manage loans, and enjoy personalized reading experiences with this accessible platform.

Highlights
  • Book discovery and browsing
  • Listen to audiobooks
  • Read e-books and braille
  • Borrow physical books
  • Track mail delivery
  • Personalized recommendations
  • Library news and events
Features
Read full description

臺灣圖書館無障礙閱讀APP(原視障隨身聽),讓讀者可透過智慧型手機或平板電腦輕鬆地享受閱讀的樂趣!讀者可透過書目查詢、新進圖書、主題瀏覽、圖書精選等功能找到喜歡的書籍,並可利用視障隨身聽APP來聆聽或閱讀電子書、電子點字書報讀、收聽有聲書、申請實體館藏借閱並免費寄送郵包等。也可透過最新消息、視障資源等,即時了解圖書館的最新資訊及活動。另外也提供個人化服務,如:個人化推播、追蹤郵包處理狀況、將各項資源加入我的收藏來建立屬於自己的虛擬圖書館! 隱私權政策:http://viis.ntl.edu.tw/ct.asp?xItem=145981&ctNode=708&mp=1

About

udn 讀書館

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
Read full description

The exclusive service and new experience. The udn library app integrates the major libraries’ lending services, providing readers free mobile borrowing services of electronic books, magazines, and newspaper. Download the udn library app on your mobile devices, you can enjoy reading anywhere. Plus, you can read the latest, most popular, and most abundant contents the way you like. # All Libraries in one app The udn library app provides readers with e-books borrowing services from all the cooperated libraries. Log in with your library accounts or mobile library accounts, and access to all digital reading contents from the libraries for free. # The innovative user interface In our app, you can borrow all the library e-books with a single bookshelf, and borrow e-books via QR Codes. Enjoy the simple and fluently app experience. # The complete digital library experience You can borrow or reserve the e-books you like in digital libraries, and the e-books you borrowed will be returned automatically when they are dated. Your personal reading progress and history will also be recorded. Moreover, you can highlight the lines you like and take notes in the e-books. # Offline reading The electronic books, magazines, and newspaper can be downloaded to your devices, and be read without internet services. # PDF and EPUB Formats are supported You can switch between the tablet-friendly PDF format and the phone-friendly EPUB format freely. # User-friendly reading settings -Electronic books, magazines, and newspapers of the PDF format- ‧ The screen brightness is adjustable in time ‧ Switch your reading direction freely ‧ Your zoom-in setting will be applied to all pages automatically - E-books of the EPUB format- ‧ The screen brightness is adjustable in time ‧ Adjust text size and page width ‧ Switch between "daytime" and "Night" reading mode freely ‧ Select your page changing mode between "turning" and "scrolling." # Abundant and amazing digital contents Cooperating with hundreds of publishers, providing tens of thousands of e-books, latest e-magazines, and daily e-newspapers of the UDN group, you can definitely find the digital contents you like.

Screenshots

國立臺灣圖書館4 screens
udn 讀書館4 screens

Verdict

The call

The clearest difference is ads: 國立臺灣圖書館 at none against udn 讀書館's shown. 國立臺灣圖書館 also leads on monetization model (free vs ad-supported) and iOS requirement (13.0 vs 16.0). On price, review sentiment, update cadence and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

Scorecard3 real differences · 7 level
國立臺灣圖書館 versus udn 讀書館: the parameters behind the verdict, then further details
Parameter國立臺灣圖書館udn 讀書館
PriceFreeFree
Rating—2.5 (8 ratings) — better
Positive reviews42.9% of reviews50.0% of reviews — better
Number of ratings—8 — better
Update frequencyEvery 6 weeksEvery 6 weeks
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better16.0
Further details — not scored
Size80 MB63 MB
Age rating4+17+
Developer凌網科技股份有限公司, Hyweb Technology Co., Ltd.udn.com

Customer experience

國立臺灣圖書館

Written reviews7 reviews
Positive42.9%
Neutral0.0%
Negative57.1%

udn 讀書館

All ratings8 ratings
Positive37.5%
Neutral0.0%
Negative62.5%
Written reviews4 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

None

國立臺灣圖書館

No in-app purchases

None

udn 讀書館

No in-app purchases

Questions

Is 國立臺灣圖書館 free?
國立臺灣圖書館 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.
Do 國立臺灣圖書館 or udn 讀書館 have ads?
udn 讀書館 shows ads; 國立臺灣圖書館 does not.
Which is updated more often, 國立臺灣圖書館 or udn 讀書館?
國立臺灣圖書館 ships an update every 6 weeks, and udn 讀書館 every 6 weeks. Most recently, 國立臺灣圖書館 was updated on November 6, 2026 and udn 讀書館 on November 2, 2026.

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