Longtang - Learn Chinese

Longtang is a Chinese vocabulary app built for serious learners. Every character comes alive with animated stroke order, spaced repetition flashcards, and a unique concentric word map that shows your progress from HSK 1 to HSK 7-9. VISUAL WORD MAP Explore Chinese characters on a beautiful concentric map. Inner rings are beginner words, outer rings are advanced. Tap any character to learn it. Watch your map light up as you progress. STROKE ORDER See exactly how every character is written. Color-coded strokes play in sequence. Break characters down into radicals and components to understand how they're built. SMART REVIEW Flashcards, quizzes, and mixed sessions adapt to your level using the FSRS spaced repetition algorithm. Rate each card, track your streak, and build lasting memory. DICTIONARY Search 114,000+ entries by pinyin, characters, or English. Every word includes definitions, example sentences, stroke order, and character decomposition. TEXT READER Paste any Chinese text and tap to look up words instantly. Save vocabulary from articles, messages, or textbooks directly to your study lists. HANDWRITING PRACTICE Trace characters stroke by stroke with guided feedback. Practice the words you're learning in your vocabulary lists. LISTENING QUIZ Test your ear — hear a word and pick the correct answer. Build audio recognition alongside reading skills. FEATURES • 114,000+ dictionary entries (CC-CEDICT) • Animated stroke order for 9,500+ characters • FSRS spaced repetition engine • HSK 1–9 word lists built in • Text reader with auto-segmentation • Handwriting practice with stroke guidance • Listening quizzes • One-time purchase — no ads, no account required