Shanghai Haidi Digital Publishing Technology Co., Ltd.
Look up words with detailed explanations
Reference "Search words, phrases, and idioms across 13 authoritative dictionaries. Access ancient Chinese, poetry, and grammar explanations. Listen to standard pronunciations and view animated stroke orders.
Learn high-frequency TOEIC vocabulary with 7000 words organized into 24 themes. Play real-time word games against others to test knowledge. Earn rewards by completing word challenges and quizzes.
Learn through and active recall techniques to improve memory retention. Import study materials from Notion, Obsidian, Markdown, Evernote, Logseq, CSV, Roam Research, or OneNote. Create local flashcards. Review cards based on performance and timing.
Read and explore classical Chinese poetry with daily recommendations at 9:00 AM. Search poems by author, title, or line without internet. Support both simplified and traditional Chinese. Share favorite poems with friends.
Identify and catalog banknotes and bills globally using AI. Snap photos or upload images for instant recognition. Access detailed information on currency details. Organize and view collected notes with categorization features.
Users can explore selected quotes from Sun Tzu's "Art of War" organized by chapters. Each entry includes Japanese kana annotations, original text, and explanations. Users can navigate through different sections of the book for in-depth study.
Teaches Mandarin and English through interactive cards with real-life images. Users can tap to play sounds, swipe to navigate, and access over 600 categorized cards. Includes learning modules for ABCs, daily phrases, and phonics.
Practice spoken language with AI-powered conversation. Correct pronunciation at the phoneme level. Adjust dialogue difficulty and speed based on user skill. Support both Chinese and English input.
Offers puzzle-solving for all skill levels. Users can access over 5 million puzzles ranging from 400 to 3000 ELO. Features include adaptive difficulty, tactical pattern recognition, strategic endgame analysis, and opening trap study.
Explore the body with 3D models of the skeleton, organs, and muscles. Use voice search to identify body parts. Access detailed information about the skull and bones. Take quizzes on skeletal, organ, and muscular systems.