# 闯关鸭 vs RepeatDuck

The clearest difference is update cadence: RepeatDuck at every 2 months against 闯关鸭's every 7 months. 闯关鸭's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 闯关鸭 sells 8 one-off in-app purchases 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.

闯关鸭 ships an update every 7 months, RepeatDuck every 2 months. The most recent releases landed on October 27, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | 闯关鸭 | RepeatDuck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/repeatduck-chinese-master/id6740007643/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 months** |
| Monetization | — | Free with in-app purchases |
| Size | 40 MB | 147 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Guangzhou Don Quixote Education Technology Co., Ltd.](https://appshunter.io/developer/1135753513) | [Chaojifeng (Xiamen) Network Technology Co., Ltd.](https://appshunter.io/developer/1779974143) |

## What reviewers say

### 闯关鸭

[App page](https://appshunter.io/ios/app/id6462012790)

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 谷粒1.00 | $0.99 | one-time |
| 谷粒6.00 | $0.99 | one-time |
| 谷粒12.00 | $1.99 | one-time |
| 谷粒18.00 | $2.99 | one-time |
| 谷粒45.00 | $5.99 | one-time |
| 谷粒88.00 | $12.99 | one-time |
| 谷粒168.00 | $24.99 | one-time |
| 谷粒198.00 | $29.99 | one-time |


### 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 闯关鸭 free?

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

### Is RepeatDuck free?

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

### Do 闯关鸭 or RepeatDuck have ads?

Neither 闯关鸭 nor RepeatDuck shows ads.

### Which is updated more often, 闯关鸭 or RepeatDuck?

闯关鸭 ships an update every 7 months, and RepeatDuck every 2 months. Most recently, 闯关鸭 was updated on October 27, 2026 and RepeatDuck on October 21, 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.*