# 超好用日语50音 vs udn 讀書館

The clearest difference is rating: udn 讀書館 at 2.5 against 超好用日语50音's 1.0. udn 讀書館 also leads on in-app purchases (none vs 1) and update cadence (every 6 weeks vs every 10 months). 超好用日语50音's advantage is ads (none vs shown) and iOS requirement (9.0 vs 16.0). On price and device support there is nothing between them.

Both are free to download. 超好用日语50音 sells 1 one-off in-app purchase. udn 讀書館 asks for nothing beyond the download.

udn 讀書館 holds the better App Store score, 2.5 against 1.0. That said, the two scores are not equally well evidenced: udn 讀書館 has 8 ratings behind it against 1, so its average is the more settled of the two.

超好用日语50音 ships an update every 10 months, udn 讀書館 every 6 weeks. The most recent releases landed on October 7, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | 超好用日语50音 | udn 讀書館 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/50/id1031002865/reviews) | **[2.5 (8 ratings)](https://appshunter.io/ios/app/udn/id1342153816/reviews)** |
| Number of ratings | 1 | **8** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 10 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 43 MB | 63 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [北京触阅信息科技有限公司](https://appshunter.io/developer/1420329654) | [udn.com](https://appshunter.io/developer/370132216) |

## What reviewers say

### 超好用日语50音

[App page](https://appshunter.io/ios/app/50/id1031002865)

This audio-enabled e-book app covers essential Japanese conversation elements like pronunciation, grammar, and vocabulary. It features realistic page-turning, native speaker audio, and offline playback, making it ideal for beginners.

**Highlights:** Audio pronunciation guide, Essential grammar lessons, Core vocabulary building, Realistic page-turning effect, Native speaker audio, Offline playback support, Lock screen playback

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 超好用日语50音 | $8.99 | one-time |


### udn 讀書館

[App page](https://appshunter.io/ios/app/udn/id1342153816)

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:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 超好用日语50音 free?

超好用日语50音 is free to download, with in-app purchases available.

### Is udn 讀書館 free?

udn 讀書館 is free to download, with no in-app purchases.

### Which has better reviews, 超好用日语50音 or udn 讀書館?

udn 讀書館 is rated higher. 超好用日语50音 averages 1.0 out of 5 from 1 ratings, while udn 讀書館 averages 2.5 from 8 ratings.

### Do 超好用日语50音 or udn 讀書館 have ads?

udn 讀書館 shows ads; 超好用日语50音 does not.

### Which is updated more often, 超好用日语50音 or udn 讀書館?

超好用日语50音 ships an update every 10 months, and udn 讀書館 every 6 weeks. Most recently, 超好用日语50音 was updated on October 7, 2026 and udn 讀書館 on October 15, 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.*