Yidou Words

YidouWords is an intelligent reading and language-learning app that combines AI assistance, audiobook playback, and practical study tools. Import EPUB3, M4B, PDF, text files, and other content. Improve your listening, speaking, reading, and writing through authentic materials with AI translation, contextual analysis, smart vocabulary highlighting, audiobook playback, real-time video subtitles, vocabulary review, and language practice. CORE FEATURES AI-Powered Assistance - Customize your translation, speech, and AI providers - Understand words and sentences in context - Use AI dictionaries, sentence analysis, and grammar explanations - Ask questions anytime and receive detailed, tutor-like explanations Audiobooks and Listening Practice - Supports EPUB3 audio content and M4B audiobooks - Read and listen at the same time to improve comprehension and develop a natural feel for the language - Supports multiple text-to-speech engines - Supports offline voices and high-quality original audiobook recordings - Ideal for intensive listening, shadowing, and speaking practice - AI multi-voice narration for more natural dialogue and character distinction Smart Vocabulary Learning - Look up words and sentences instantly without interrupting your reading - Automatically highlight unfamiliar and important vocabulary - Understand word meanings and usage based on context - Review saved vocabulary to strengthen long-term memory - Analyze sentence structure and components - Explore words, characters, phrases, and paragraphs with in-depth AI analysis - Use bionic reading to improve focus and reading efficiency - Practice with vocabulary review quizzes Immersive Reading and Learning - Import your own books, magazines, articles, and study materials - Display original text and translations together intelligently - Filter and display translations according to your language level - Learn vocabulary and expressions through authentic context - Build comprehensible input from materials that would otherwise feel too difficult Web and Video Learning - Tap words on web pages for instant definitions - Learn directly from online articles and other web content - Generate real-time Chinese subtitles for online videos - Combine video, listening, vocabulary, and contextual learning in one place Learning Progress Track your learning and see your progress over time: - Saved vocabulary - Reading time - Number of items read - Vocabulary learned - New-word accumulation and review progress WHO IS YIDOU FOR? Independent English Learners - Learn English naturally through reading and listening - Use AI assistance to make challenging material easier to understand Advanced English Learners - Improve reading skills with English news, magazines, and original books - Build a stronger sense of natural usage and authentic expression Listening and Vocabulary Learners - Develop listening skills and vocabulary systematically - Work with authentic materials without being discouraged by their difficulty IELTS and TOEFL Learners - Build long-term language exposure and a natural feel for English - Use Yidou as a daily learning and input tool rather than a test-drilling app Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://yidouwords.github.io/yidouwords-privacy/