# 阅读猫 vs 21天突破高频词汇

The clearest difference is price: 阅读猫 at Free against 21天突破高频词汇's $0.99. 阅读猫 also leads on update cadence (every 2 days vs every 3 weeks). 21天突破高频词汇's advantage is in-app purchases (none vs 4). On ads, device support and iOS requirement there is nothing between them.

阅读猫 is free to download; 21天突破高频词汇 costs $0.99 up front. 阅读猫 sells 4 in-app purchases, starting at $2.99 per month. 21天突破高频词汇 asks for nothing beyond the download.

阅读猫 ships an update every 2 days, 21天突破高频词汇 every 3 weeks. The most recent releases landed on November 1, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 阅读猫 | 21天突破高频词汇 |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.5 (20 ratings)](https://appshunter.io/ios/app/id6751491845/reviews)** | — |
| Number of ratings | **20** | — |
| Positive reviews | 63.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 7 MB | 3 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [野 匡](https://appshunter.io/developer/819954894) | [鲁扬 王](https://appshunter.io/developer/1890054449) |

## What reviewers say

### 阅读猫

[App page](https://appshunter.io/ios/app/id6751491845)

This app focuses on improving English reading comprehension by breaking down sentences and identifying challenging vocabulary and grammar. It creates personalized practice sessions based on your reading history and uses AI to generate comprehension questions.

**Highlights:** Sentence-by-sentence reading training, Vocabulary and sentence blocking record, Targeted review based on reading history, AI-generated practice questions, Personalized problem bank

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $2.99 | per month |
| 30天会员 | $3.99 | one-time |
| 季度会员 | $6.99 | one-time |
| 终身会员 | $24.99 | one-time |


### 21天突破高频词汇

[App page](https://appshunter.io/ios/app/21/id6797169848)

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

**In-app purchases:** none


## Frequently asked questions

### Is 阅读猫 free?

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

### Is 21天突破高频词汇 free?

21天突破高频词汇 costs $0.99, with no in-app purchases.

### Do 阅读猫 or 21天突破高频词汇 have ads?

Neither 阅读猫 nor 21天突破高频词汇 shows ads.

### Which is updated more often, 阅读猫 or 21天突破高频词汇?

阅读猫 ships an update every 2 days, and 21天突破高频词汇 every 3 weeks. Most recently, 阅读猫 was updated on November 1, 2026 and 21天突破高频词汇 on October 25, 2026.

---

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