Comparison

udn 讀書館 vs iLib Reader 國資圖電子書

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

Head to head
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.

About

iLib Reader 國資圖電子書

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
Read full description

iLib Reader 是「國立公共資訊圖書館」電子書服務平台提供給讀者專用的電子書閱讀軟體,是全國第一個可免費借閱並下載圖書館電子書的行動閱讀軟體。 只要您擁有全國各縣市公共圖書館的借閱證,即可申請開通成為國資圖電子書服務平台的讀者,之後您可以不用親自到館 ,只要是有網路連線的地方,就可以下載國立公共資訊圖書館提供借閱的電子書。 國資圖電子書服務平台的借閱服務,提供跨載具的閱讀,當您在借閱電子書時,您可以選擇使用手機或平板來進行閱讀。 更方便的是您在下載完借閱的電子書後,不管是連線還是離線,不受網路的限制,只要 iLib Reader 在手,即可隨時享受行動閱讀的樂趣與便利性。 您甚至可以不用擔心逾期歸還的問題,當電子書的借閱期限到期後,iLib Reader 會自動歸還電子書;當然您也可以在期限到期前,主動歸還電子書,讓其他讀者可以提前借到您歸還的電子書。 iLib Reader 支援多種電子書格式的閱讀,包含多媒體電子書、PDF 與 EPUB 等格式,並提供多種分類、目錄選單、多媒體清單、縮圖預覽、直式單頁/橫式雙頁/流式閱讀、高解析度頁面縮放、多媒體互動感應、影音/幻燈片撥放、個人書籤、螢光筆/註記以及閱讀進度等貼心的閱讀功能。 會員登入與註冊申請,請到「國立公共資訊圖書館」電子書服務平台登入頁面。相關的申請流程,請參考會員註冊申請流程說明。 更多詳細的訊息,歡迎前往「國立公共資訊圖書館」電子書服務平台瞭解更多。 https://ebook.nlpi.edu.tw 地址:40246臺中市南區五權南路100號 電話: +886-4-22625100分機123 電子郵件:avedu@nlpi.edu.tw 本APP基於功能正常運行,需請您提供以下資訊並同意存取行動裝置以下權限,詳如說明: 1、帳號密碼:使用需以帳號密碼完成登入後方可使用,僅供電子書閱讀使用。 2、位置:顯示所在位置附近的圖書館 3、相機:掃描書籍ISBN找書或電子書QRCode進行借閱 4、手機狀態和識別碼:識別用,用於限制同一帳密能登入之裝置數量 5、儲存空間:儲存所下載的電子書物件 6、其他:  完整網路存取權:接收資料  接收網路資料:接收資料  查看網路連線,WLAN連線:確認網路使否正常連線  控制震動:以振動方式通知  防止裝置進入休眠狀態:使用期間防止斷線

Screenshots

udn 讀書館4 screens
iLib Reader 國資圖電子書4 screens

Verdict

The call

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.

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard5 real differences · 5 level
udn 讀書館 versus iLib Reader 國資圖電子書: the parameters behind the verdict, then further details
Parameterudn 讀書館iLib Reader 國資圖電子書
PriceFreeFree
Rating2.5 (8 ratings) — better2.3 (3 ratings)
Positive reviews50.0% of reviews — better37.7% of reviews
Number of ratings8 — better3
Update frequencyEvery 6 weeksMonthly — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.010.0 — better
Further details — not scored
Size63 MB151 MB
Age rating17+4+
Developerudn.comNational Library of Public Information

Customer experience

udn 讀書館

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

iLib Reader 國資圖電子書

All ratings3 ratings
Positive33.3%
Neutral0.0%
Negative66.7%
Written reviews53 reviews
Positive37.7%
Neutral28.3%
Negative34.0%

In-app purchases

None

udn 讀書館

No in-app purchases

None

iLib Reader 國資圖電子書

No in-app purchases

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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