RepeatDuck vs 时空回音

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

与一位隐去姓名的 AI 历史人物对话。你能从他的口吻、往事与遗憾中，猜出他是谁？ 在「时空回音」，每段对话都是一份等待破解的历史档案。你提出的问题，决定他愿意透露多少。 【问出线索，猜出身份】 从时代背景到人生抉择，在只言片语中拼出真实身份。直接在对话里说出猜测；猜错也能继续追问，猜测不限次数。 【越聊越深，听见他的另一面】 有洞察的提问会赢得信任。从初见时的谨慎，到愿意谈起心底的遗憾，每位人物都有自己的性格与表达。 【猜对之后，故事继续】 揭开身份，解锁人物档案，还可以以朋友身份继续交谈。在合适的话题与时刻，收下他托付的「故物」，逐渐填满你的收藏。 【每天接入一段新信号】 挑战每日谜题，探索不同朝代的人物，积累成就与称号。 免费下载，无内购、无订阅。提供每日免费对话额度与新人物名额；含广告，可自愿观看激励视频获取补充。支持游客先体验。 历史人物对话由 AI 演绎，可能存在史实偏差。 档案馆的灯已点亮。第一位等待你的人，会是谁？