Comparison

豌豆背单词 vs RepeatDuck

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

豌豆背单词

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
Read full description

豌豆背单词,是一款可以有效对抗遗忘的背单词软件。 它根据「艾宾浩斯遗忘曲线」打造、并配合中国人背单词的学习习惯;让你不仅单词背得快记得牢,还专注到根本停不下来! ◆艾宾浩斯记忆法 人的遗忘速度随时间的流逝而先快后慢,在记忆的最初阶段遗忘的速度很快,后来就逐渐减慢了,到了相当长的时候后,几乎就不再遗忘,因此及时复习对于记忆单词是非常重要的,这就是艾宾浩斯记忆法的原理。 豌豆背单词,按照艾宾浩斯记忆规律打造「动态记忆算法」,让每个单词在到达遗忘临界点的时候,恰到好处地复习! 经过多次调整抗遗忘策略中的系数以及长期的实验验证,能够根据你的学习情况,为你精准的生成单词学习计划,从而让每日复习量比普通软件少35%,记忆效果却提高50%。 ◆精选词库/自定义生词本 精选英语词表,包括高考、四级、六级、考研、雅思、托福、GRE… 还可以自定义生词本,自由添加管理,打造专属你的单词书。 ◆自定义提醒、打卡分享系统 可开启系统智能提醒,让系统来监督你背单词;完成单词任务可完成打卡分享,感受满满的成就感。严格按照正常的学习步骤,并根据艾宾浩斯遗忘规律严格安排复习;选择目标-设立计划-执行任务-复习任务,各个环节都支持高度自定义。

About

RepeatDuck

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
Read full description

RepeatDuck is an innovative Chinese vocabulary learning app that makes word memorization effortless and engaging through intelligent recognition, personalized flashcards, and a unique spaced repetition system. With its distinctive card creation method and scientifically-proven review algorithms, RepeatDuck helps you master Chinese vocabulary efficiently. 【Core Features】 1. Powerful Effortless Learning Method - Audio-based Memorization: Intensive repetition of word pronunciation enhances memory retention and helps master correct pronunciation - Dynamic Word Display: Innovative dynamic word presentation reinforces memory retention 2. Extensive Learning Content - Comprehensive Vocabulary Lists: From elementary to university level, extensive word lists help expand your vocabulary across all levels - Custom Flashcards: Support manual creation and image-based custom flashcards for personalized learning experience 3. Rich Statistical Analysis - Learning Metrics: Comprehensive tracking of vocabulary progress, learning indicators (word count/duration), and achievement milestones - Visual Analytics: Learning activity heatmap, progress trends, and mastery level trends presented through intuitive charts 4. Thoughtful Additional Features - Offline Mode: Core features available offline for learning anywhere, anytime - Configurable Learning Languages: Easy switching between target languages, currently supporting Chinese and English - Customizable Reading Modes: Flexible configuration for playback methods (single/loop/sequential/random) and reading styles (single word/bilingual) 【RepeatDuck Auto-Renewal Subscription Service Details】 1、 Subscription Service: Professional Version Continuous Package Service 2、Subscription Pricing: Monthly subscription at $0.99/month, Annual subscription at $4.99/year 3、Payment: Purchase will be charged to iTunes Account upon confirmation 4、Your iTunes account will be charged 24 hours before the end of the current period, and the subscription will be extended by one subscription period upon successful payment 5、To cancel subscription, please go to iPhone "Settings" --> "iTunes Store & App Store" --> tap "Apple ID", select "View Apple ID", enter "Account Settings" page, tap "Subscriptions", select "Monthly/Annual Subscription" to cancel. If you don't turn off auto-renewal at least 24 hours before the end of the current period, this subscription will automatically renew Privacy Policy: https://mileson.notion.site/Privacy-Policy-RepeatDuck-17ee107ce54f80758c1dd3f5f6272435?pvs=4 Terms of Use: https://mileson.notion.site/Terms-of-Use-RepeatDuck-180e107ce54f806f9fe7f57290dd04ba?pvs=4 If you enjoy "RepeatDuck", please take a moment to write us a positive review. We greatly appreciate it! Email: libingfeng007@gmail.com

Screenshots

豌豆背单词4 screens
RepeatDuck4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

豌豆背单词 ships an update every 6 weeks, RepeatDuck every 2 months. The most recent releases landed on September 27, 2026 and September 17, 2026 respectively.

Scorecard5 real differences · 5 level
豌豆背单词 versus RepeatDuck: the parameters behind the verdict, then further details
Parameter豌豆背单词RepeatDuck
Price$0.99Free — better
Rating3.5 (16 ratings)5.0 (1 ratings) — better
Positive reviews76.0% of reviews—
Number of ratings16 — better1
Update frequencyEvery 6 weeks — betterEvery 2 months
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better15.0
Further details — not scored
Size116 MB147 MB
Age rating4+4+
Developer冬雪 郝Chaojifeng (Xiamen) Network Technology Co., Ltd.

Customer experience

豌豆背单词

All ratings16 ratings
Positive62.5%
Neutral0.0%
Negative37.5%
Written reviews25 reviews
Positive76.0%
Neutral4.0%
Negative20.0%

RepeatDuck

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

豌豆背单词

One-time2
  • 高级会员$0.99
  • 扩展课程-新手财务课$0.99
3 purchases

RepeatDuck

Subscriptions2
  • Monthly Pro$1.991 Month
  • Yearly Pro$9.991 Year
One-time1
  • Lifetime Pro$19.99

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 September 27, 2026 and RepeatDuck on September 17, 2026.

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