# iRead臺北市立圖書館 vs mooSound 犢出聲

The clearest difference is review sentiment: mooSound 犢出聲 at 100% against iRead臺北市立圖書館's 35%. mooSound 犢出聲 also leads on rating (4.8 vs 2.4) and monetization model (free vs ad-supported). On price, ratings volume, update cadence and ads there is nothing between them.

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 2.4. Both are backed by a comparable volume of ratings — 17 and 16 respectively. Written reviews point the same way: 35% of iRead臺北市立圖書館's written reviews are positive against 100% of mooSound 犢出聲's.

iRead臺北市立圖書館 ships an update every 2 weeks, mooSound 犢出聲 monthly. The most recent releases landed on September 17, 2026 and August 12, 2026 respectively.

## The numbers

| Metric | iRead臺北市立圖書館 | mooSound 犢出聲 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.4 (17 ratings)](https://appshunter.io/ios/app/iread/id730787415/reviews) | **[4.8 (16 ratings)](https://appshunter.io/ios/app/moosound/id1630868483/reviews)** |
| Number of ratings | **17** | 16 |
| Positive reviews | 35.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Ad-supported | **Free** |
| Size | 61 MB | 82 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [臺北市政府](https://appshunter.io/developer/376788741) | [eCrowdmedia](https://appshunter.io/developer/942389747) |

## 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


### 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 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 mooSound 犢出聲 free?

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

### Which has better reviews, iRead臺北市立圖書館 or mooSound 犢出聲?

mooSound 犢出聲 is rated higher. iRead臺北市立圖書館 averages 2.4 out of 5 from 17 ratings, while mooSound 犢出聲 averages 4.8 from 16 ratings.

### Do iRead臺北市立圖書館 or mooSound 犢出聲 have ads?

Neither iRead臺北市立圖書館 nor mooSound 犢出聲 shows ads.

### Which is updated more often, iRead臺北市立圖書館 or mooSound 犢出聲?

iRead臺北市立圖書館 ships an update every 2 weeks, and mooSound 犢出聲 monthly. Most recently, iRead臺北市立圖書館 was updated on September 17, 2026 and mooSound 犢出聲 on August 12, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*