# 國立臺灣圖書館 vs mooSound 犢出聲

The clearest difference is review sentiment: mooSound 犢出聲 at 100% against 國立臺灣圖書館's 43%. 國立臺灣圖書館's advantage is iOS requirement (13.0 vs 15.0). 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.

國立臺灣圖書館 ships an update every 6 weeks, mooSound 犢出聲 monthly. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | 國立臺灣圖書館 | mooSound 犢出聲 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (19 ratings)](https://appshunter.io/ios/app/moosound/id1630868483/reviews)** |
| Number of ratings | — | **19** |
| Positive reviews | 42.9% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Free | Free |
| Size | 80 MB | 81 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [凌網科技股份有限公司, Hyweb Technology Co., Ltd.](https://appshunter.io/developer/419081258) | [eCrowdmedia](https://appshunter.io/developer/942389747) |

## What reviewers say

### 國立臺灣圖書館

[App page](https://appshunter.io/ios/app/id934249135)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### mooSound 犢出聲

[App page](https://appshunter.io/ios/app/moosound/id1630868483)

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.

**Highlights:** On-demand playback, Customizable download settings, Adjustable playback speed, Customizable skip intervals, Bookmark functionality, Driving mode with large buttons

**Features:** Siri integration

**In-app purchases:** none


## Frequently asked 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 mooSound 犢出聲 free?

mooSound 犢出聲 is free to download, with no in-app purchases.

### Do 國立臺灣圖書館 or mooSound 犢出聲 have ads?

Neither 國立臺灣圖書館 nor mooSound 犢出聲 shows ads.

### Which is updated more often, 國立臺灣圖書館 or mooSound 犢出聲?

國立臺灣圖書館 ships an update every 6 weeks, and mooSound 犢出聲 monthly. Most recently, 國立臺灣圖書館 was updated on November 6, 2026 and mooSound 犢出聲 on November 7, 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.*