Cốc Vũ helps Vietnamese people learn Chinese at the right level and be able to use it immediately.

• Learn systematically HSK 3.0 (2025): over 450 lessons for HSK 1–6 including new vocabulary, grammar, dialogues, exercises, along with 18 trial exams in a new format, with speaking and writing assessed by AI.
• Practice at the right level: over 220 stories retold according to HSK vocabulary (over 1,000 chapters), more than 380 videos with subtitles for each sentence to practice Shadowing and Dictation, news rewritten daily according to levels. Choose a level and you get content that is just right, no need to search for it yourself.
• Ready to use: 11 topics for work and travel (office, factory, logistics, import-export, e-commerce, accounting…), over 1,000 industry-specific terms, 150+ role-playing scenarios with AI.
• For Vietnamese learners: Han-Viet pronunciation for every word to guess meanings, color-coded pinyin according to tones, over 100,000 sentences and words with accurate pronunciation, flashcards to review just before forgetting.
• Understand culture and enjoy returning: 140 cultural articles, 250 literary references – idioms, 189 poems; games, sowing seeds – harvesting rice, Weekly harvest challenge, no fear of breaking the streak.

Always free: HSK 1–2, HSK 1–6 vocabulary repository, dictionary, news reading, and culture. Premium opens HSK 3–6, unlimited learning through videos, all exam papers, practical applications and AI; trial for 7 days, one-time payment, no auto-renewal.