# 自然發音速成寶典 Lite vs 死神單字

The clearest difference is update cadence: 死神單字 at every 9 days against 自然發音速成寶典 Lite's every 6 months. 死神單字 also leads on ratings volume (7 vs 2). 自然發音速成寶典 Lite's advantage is iOS requirement (9.0 vs 13.0). On price, rating, review sentiment 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.

On the App Store both sit at effectively the same score — 5.0 for 自然發音速成寶典 Lite against 5.0 for 死神單字. Both are backed by a comparable volume of ratings — 2 and 7 respectively. Written reviews are what separate them: 91% of 自然發音速成寶典 Lite's written reviews are positive against 96% of 死神單字's.

自然發音速成寶典 Lite ships an update every 6 months, 死神單字 every 9 days. Both last shipped on September 29, 2026.

## The numbers

| Metric | 自然發音速成寶典 Lite | 死神單字 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/lite/id564490212/reviews) | [5.0 (7 ratings)](https://appshunter.io/ios/app/7000/id1570762449/reviews) |
| Number of ratings | 2 | **7** |
| Positive reviews | 90.6% of reviews | **96.1% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 6 months | **Every 9 days** |
| Monetization | Ad-supported | Ad-supported |
| Size | 156 MB | 122 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Otek International Inc.](https://appshunter.io/developer/318583126) | [MENG CHIA TSAI](https://appshunter.io/developer/642435679) |

## What reviewers say

### 自然發音速成寶典 Lite

[App page](https://appshunter.io/ios/app/lite/id564490212)

Learn English pronunciation and spelling through phonics rules. This app connects spelling to sounds, helping you memorize vocabulary and improve speaking. Features include letter-to-sound and sound-to-letter exercises, spelling practice, and sentence pronunciation with real voice.

**Highlights:** Letter to sound mapping, Sound to letter mapping, Spelling practice, Sentence pronunciation, Visual learning aids, Phonics rules explained

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### 死神單字

[App page](https://appshunter.io/ios/app/7000/id1570762449)

Master essential English vocabulary with categorized word lists and practice modes. Includes practice tests for standardized exams and certifications. Content is regularly updated with more learning materials.

**Highlights:** Categorized vocabulary by level, Practice modes, English past paper practice, 7000 word database, TOEIC, TOEFL, IELTS vocabulary, Exam practice tests

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 自然發音速成寶典 Lite free?

自然發音速成寶典 Lite is free to download, with no in-app purchases.

### Is 死神單字 free?

死神單字 is free to download, with no in-app purchases.

### Which has better reviews, 自然發音速成寶典 Lite or 死神單字?

自然發音速成寶典 Lite and 死神單字 are both rated 5.0 out of 5 on the App Store, from 2 and 7 ratings respectively.

### Do 自然發音速成寶典 Lite or 死神單字 have ads?

Both 自然發音速成寶典 Lite and 死神單字 show ads.

### Which is updated more often, 自然發音速成寶典 Lite or 死神單字?

自然發音速成寶典 Lite ships an update every 6 months, and 死神單字 every 9 days. Most recently, 自然發音速成寶典 Lite was updated on September 29, 2026 and 死神單字 on September 29, 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.*