# 抓住单词 vs RepeatDuck

The clearest difference is update cadence: 抓住单词 at every 8 days against RepeatDuck's every 2 months. RepeatDuck's advantage is iOS requirement (15.0 vs 17.6). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. 抓住单词 sells 2 in-app purchases, starting at $12.99 per month and RepeatDuck sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for 抓住单词 against 5.0 for RepeatDuck. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

抓住单词 ships an update every 8 days, RepeatDuck every 2 months. The most recent releases landed on September 7, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | 抓住单词 | RepeatDuck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/ai/id6739828290/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/repeatduck-chinese-master/id6740007643/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 153 MB | 147 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [庆辉 廖](https://appshunter.io/developer/1765637809) | [Chaojifeng (Xiamen) Network Technology Co., Ltd.](https://appshunter.io/developer/1779974143) |

## What reviewers say

### 抓住单词

[App page](https://appshunter.io/ios/app/ai/id6739828290)

This app uses AI and scientific memory techniques to help users learn and retain English vocabulary. It offers a gamified learning experience with progress tracking and various specialized word lists for different academic levels and practical applications.

**Highlights:** AI anti-forgetting algorithm, Spaced repetition and cover recall, Root and affix word breakdown, Gamified learning with levels and rewards, Contextualized learning with AI-generated sentences, Immersive listening mode, Comprehensive word lists for all levels

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $12.99 | per month |
| 年度会员 | $39.99 | per year |


### RepeatDuck

[App page](https://appshunter.io/ios/app/repeatduck-chinese-master/id6740007643)

Master Chinese vocabulary with intelligent flashcards and spaced repetition. Features audio-based memorization, custom card creation, and detailed progress analytics. Learn efficiently with offline access and customizable reading modes.

**Highlights:** Audio-based memorization, Custom flashcard creation, Spaced repetition system, Progress tracking and analytics, Offline mode, Configurable learning languages

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $1.99 | per month |
| Yearly Pro | $9.99 | per year |
| Lifetime Pro | $19.99 | one-time |


## Frequently asked questions

### Is 抓住单词 free?

抓住单词 is free to download, with in-app purchases available.

### Is RepeatDuck free?

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

### Which has better reviews, 抓住单词 or RepeatDuck?

抓住单词 and RepeatDuck are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do 抓住单词 or RepeatDuck have ads?

Neither 抓住单词 nor RepeatDuck shows ads.

### Which is updated more often, 抓住单词 or RepeatDuck?

抓住单词 ships an update every 8 days, and RepeatDuck every 2 months. Most recently, 抓住单词 was updated on September 7, 2026 and RepeatDuck on September 17, 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.*