# 豌豆背单词 vs RepeatDuck

The clearest difference is price: RepeatDuck at Free against 豌豆背单词's $0.99. RepeatDuck also leads on rating (5.0 vs 3.5) and ads (none vs shown). 豌豆背单词's advantage is ratings volume (16 vs 1) and iOS requirement (11.0 vs 15.0). On update cadence, in-app purchases, monetization model and device support there is nothing between them.

RepeatDuck is free to download; 豌豆背单词 costs $0.99 up front. 豌豆背单词 sells 2 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.

RepeatDuck holds the better App Store score, 5.0 against 3.5. That said, the two scores are not equally well evidenced: 豌豆背单词 has 16 ratings behind it against 1, so its average is the more settled of the two.

豌豆背单词 ships an update every 6 weeks, RepeatDuck every 2 months. The most recent releases landed on October 25, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | 豌豆背单词 | RepeatDuck |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [3.5 (16 ratings)](https://appshunter.io/ios/app/id1483597359/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/repeatduck-chinese-master/id6740007643/reviews)** |
| Number of ratings | **16** | 1 |
| Positive reviews | 76.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 116 MB | 147 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [冬雪 郝](https://appshunter.io/developer/1477839382) | [Chaojifeng (Xiamen) Network Technology Co., Ltd.](https://appshunter.io/developer/1779974143) |

## What reviewers say

### 豌豆背单词

[App page](https://appshunter.io/ios/app/id1483597359)

This app uses the Ebbinghaus forgetting curve to help users memorize English vocabulary efficiently. It offers personalized study plans, custom word lists, and a reminder system to ensure consistent learning and retention.

**Highlights:** Ebbinghaus forgetting curve algorithm, Dynamic memory algorithm, Personalized study plans, Pre-selected and custom word lists, Smart reminders and check-in system, Customizable learning steps

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 高级会员 | $0.99 | one-time |
| 扩展课程-新手财务课 | $0.99 | 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 豌豆背单词 free?

豌豆背单词 costs $0.99, and also offers in-app purchases.

### Is RepeatDuck free?

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

### Which has better reviews, 豌豆背单词 or RepeatDuck?

RepeatDuck is rated higher. 豌豆背单词 averages 3.5 out of 5 from 16 ratings, while RepeatDuck averages 5.0 from 1 ratings.

### Do 豌豆背单词 or RepeatDuck have ads?

豌豆背单词 shows ads; RepeatDuck does not.

### Which is updated more often, 豌豆背单词 or RepeatDuck?

豌豆背单词 ships an update every 6 weeks, and RepeatDuck every 2 months. Most recently, 豌豆背单词 was updated on October 25, 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.*