# ChapterWing vs 深阅

The clearest difference is in-app purchases: ChapterWing at none against 深阅's 2. ChapterWing also leads on iOS requirement (15.0 vs 26.0). 深阅's advantage is update cadence (every 2 days vs fortnightly). On price, ads and device support there is nothing between them.

Both are free to download. 深阅 sells 2 in-app purchases, starting at $9.99 per year. ChapterWing asks for nothing beyond the download.

ChapterWing ships an update fortnightly, 深阅 every 2 days. The most recent releases landed on October 28, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | ChapterWing | 深阅 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6818418575/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 days** |
| Monetization | — | Freemium |
| Size | 42 MB | 196 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 12+ |
| Developer | [David Le](https://appshunter.io/developer/1769933170) | [永宁 许](https://appshunter.io/developer/6818374731) |

## What reviewers say

### ChapterWing

[App page](https://appshunter.io/ios/app/chapterwing/id6787813879)

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

**In-app purchases:** none


### 深阅

[App page](https://appshunter.io/ios/app/id6818418575)

This app helps English learners improve by providing graded reading materials and interactive tools. It estimates your vocabulary level to offer content you can almost understand, with features for word lookup, translation, and AI-powered audio narration. The app focuses on comprehensible input, spaced repetition, and practice speaking through retelling exercises.

**Highlights:** Graded articles and books by vocabulary level, Tap to define words, hold to translate sentences, Offline translation and AI-powered audio, Spaced review for vocabulary retention, Retelling exercises for speaking practice, Import EPUB, TXT, and RSS feeds, No ads or streaks

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 深阅 Deep Reader Pro | $9.99 | per year |
| 深阅 Deep Reader Pro 买断 | $39.99 | one-time |


## Frequently asked questions

### Is ChapterWing free?

ChapterWing is free to download, with no in-app purchases.

### Is 深阅 free?

深阅 is free to download, with in-app purchases available.

### Do ChapterWing or 深阅 have ads?

Neither ChapterWing nor 深阅 shows ads.

### Which is updated more often, ChapterWing or 深阅?

ChapterWing ships an update fortnightly, and 深阅 every 2 days. Most recently, ChapterWing was updated on October 28, 2026 and 深阅 on November 1, 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.*