# COCA词频单词 vs 磨耳猫

The clearest difference is price: 磨耳猫 at Free against COCA词频单词's $2.99. 磨耳猫 also leads on update cadence (every 3 days vs every 6 weeks). COCA词频单词's advantage is in-app purchases (none vs 7) and iOS requirement (11.0 vs 17.0). On review sentiment, ads and device support there is nothing between them.

磨耳猫 is free to download; COCA词频单词 costs $2.99 up front. 磨耳猫 sells 7 in-app purchases, starting at $0.99 per 7 days. COCA词频单词 asks for nothing beyond the download.

COCA词频单词 ships an update every 6 weeks, 磨耳猫 every 3 days. Both last shipped on November 3, 2026.

## The numbers

| Metric | COCA词频单词 | 磨耳猫 |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | — | **[4.6 (18 ratings)](https://appshunter.io/ios/app/id6443755336/reviews)** |
| Number of ratings | — | **18** |
| Positive reviews | 42.9% of reviews | 42.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 days** |
| Monetization | Paid | **Freemium** |
| Size | 105 MB | 18 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [坤 徐](https://appshunter.io/developer/1490871013) | [野 匡](https://appshunter.io/developer/819954894) |

## What reviewers say

### COCA词频单词

[App page](https://appshunter.io/ios/app/coca/id1490871014)

Master English vocabulary with a frequency-based approach. This app provides detailed explanations, synonyms, and example sentences for thousands of the most common words, aiding efficient learning and retention.

**Highlights:** 17,631 COCA-ranked words, Detailed explanations, synonyms, and examples, Audio pronunciation, Grouped learning by 1000-word intervals, Offline dictionary access, Progress tracking and learned word filtering

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

**In-app purchases:** none


### 磨耳猫

[App page](https://appshunter.io/ios/app/id6443755336)

This app offers a unique approach to improving English listening and speaking skills. It features a "broken listening" mode and covers a wide range of exam materials like CET-4/6, IELTS, and TOEFL. Users can import their own content and diagnose listening difficulties.

**Highlights:** Broken listening mode, Import web content, Listening bug diagnosis, Multiple training methods, Shadowing and pronunciation practice, Mock test mode, Progress tracking

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周度会员 | $0.99 | per 7 days |
| 月度会员 | $2.99 | per month |
| 季度会员 | $6.99 | per 3 months |
| 年度会员 | $19.99 | per year |
| 7日会员 | $1.99 | one-time |
| 30日会员 | $2.99 | one-time |
| 终身会员 | $24.99 | one-time |


## Frequently asked questions

### Is COCA词频单词 free?

COCA词频单词 costs $2.99, with no in-app purchases.

### Is 磨耳猫 free?

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

### Do COCA词频单词 or 磨耳猫 have ads?

Neither COCA词频单词 nor 磨耳猫 shows ads.

### Which is updated more often, COCA词频单词 or 磨耳猫?

COCA词频单词 ships an update every 6 weeks, and 磨耳猫 every 3 days. Most recently, COCA词频单词 was updated on November 3, 2026 and 磨耳猫 on November 3, 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.*