完形词汇 vs RepeatDuck
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
完形词汇
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Make memorizing words easier, memorize words while reading stories!
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.
- Audio-based memorization
- Custom flashcard creation
- Spaced repetition system
- Progress tracking and analytics
- Offline mode
- Configurable learning languages
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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
Verdict
The clearest difference is ads: RepeatDuck at none against 完形词汇's shown. 完形词汇's advantage is update cadence (weekly vs every 2 months) and iOS requirement (12.0 vs 15.0). On price, rating, ratings volume and in-app purchases 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
Both are free to download. 完形词汇 sells 4 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.
On the App Store both sit at effectively the same score — 5.0 for 完形词汇 against 5.0 for RepeatDuck. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
完形词汇 ships an update weekly, RepeatDuck every 2 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | 完形词汇 | RepeatDuck |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 | 1 |
| Update frequency | Weekly — better | Every 2 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 74 MB | 147 MB |
| Age rating | 17+ | 4+ |
| Developer | Chengdu Yztp Technology Co., Ltd | Chaojifeng (Xiamen) Network Technology Co., Ltd. |
Customer experience
完形词汇
RepeatDuck
In-app purchases
完形词汇
- 完形词汇Pr$0.99
- 50积分$0.99
- 120积分$1.99
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- 500积分$3.99
RepeatDuck
- Monthly Pro$1.991 Month
- Yearly Pro$9.991 Year
- Lifetime Pro$19.99









