udn 讀書館 vs mooSound 犢出聲
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
mooSound 犢出聲
Listen to audiobooks hands-free and utilize your spare time. This app offers customizable playback options like speed, skip intervals, and download settings. It also includes bookmarking and a driving mode with large buttons.
- On-demand playback
- Customizable download settings
- Adjustable playback speed
- Customizable skip intervals
- Bookmark functionality
- Driving mode with large buttons
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「犢出聲 mooSound」有聲書播放應用程式，是 Readmoo 讀墨電子書團隊為有聲書閱聽用戶量身打造之全新服務，可提供使用者一個解放雙眼壓力，同時又能運用零星時間的閱讀新選項，並提供以下貼心功能： 1. 隨點隨聽不用等 2. 自訂下載模式 3. 自訂播放時間 4. 自訂播放語速 5. 自訂快轉、倒轉秒數 5. 書籤標記功能 6. 大按鈕行車模式
Screenshots
Verdict
The clearest difference is review sentiment: mooSound 犢出聲 at 100% against udn 讀書館's 50%. mooSound 犢出聲 also leads on rating (4.8 vs 2.5) and ads (none vs shown). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
mooSound 犢出聲 holds the better App Store score, 4.8 against 2.5. Both are backed by a comparable volume of ratings — 8 and 16 respectively. Written reviews point the same way: 50% of udn 讀書館's written reviews are positive against 100% of mooSound 犢出聲's.
udn 讀書館 ships an update every 6 weeks, mooSound 犢出聲 monthly. The most recent releases landed on September 19, 2026 and August 12, 2026 respectively.
| Parameter | udn 讀書館 | mooSound 犢出聲 |
|---|---|---|
| Price | Free | Free |
| Rating | 2.5 (8 ratings) | 4.8 (16 ratings) — better |
| Positive reviews | 50.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 8 | 16 — better |
| Update frequency | Every 6 weeks | Monthly — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 63 MB | 82 MB |
| Age rating | 17+ | 12+ |
| Developer | udn.com | eCrowdmedia |
Customer experience
udn 讀書館
mooSound 犢出聲
In-app purchases
udn 讀書館
No in-app purchases
mooSound 犢出聲
No in-app purchases
