Baozi Chinese: Learn Mandarin

Baozi Chinese: Learn Mandarin

Tones & Pronunciation Coach

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Released
February 6, 2026
Updated
November 11, 2026

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About

A story to follow. A voice to find. A STORY YOU'LL WANT TO FINISH David moves to Chengdu knowing almost nothing. He meets Xiaoyu and her enormous cat, Baozi. You learn every word as he does, from your first 你好 to a job, a move, a wedding, a baby. Each lesson: listen, answer questions, repeat after the cast, act out the dialog, then say it about yourself. UNDERSTAND FIRST Built on comprehensible input: you understand first, through pictures and context, and speech follows. By the time a story begins, you've already met almost every word in it, so you can follow along. HEAR HOW YOU SOUND Say a word and your pitch is drawn over the correct tone, measured 100 times a second. Say a sentence and every syllable is checked, its sounds and its tone, with the ones to polish marked in red. Every sound clear, every tone true. TALK OUT LOUD Order tea, buy fruit, see the doctor, get through a job interview, or try to get Baozi to move. Each talk has goals and stays within the words you know. Slips get corrected in red pen as you go, and you finish with a teacher's note. WORDS THAT STAY Words come back just before you'd forget them, on a modern spaced-repetition schedule. Browse the full HSK 1–9 lists, about 11,000 words, star what you want to keep, and see how well each word has stuck. PRACTICE YOUR WAY Pronunciation by HSK level, tones by ear, dictation, word order, fill the gap, word matching and stroke-by-stroke writing. Pro adds a library of hundreds of dialogs, up to advanced. FREE AND PRO The first 12 lessons are free, with 10 pronunciation checks a day, 20 saved words and one AI talk to try. Pro unlocks every lesson, unlimited checks and words, unlimited talks and the dialog library. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the period, and are managed in your account settings. Terms: https://www.yuyin.io/terms Privacy: https://www.yuyin.io/privacy
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What's New in Baozi Chinese

2.0.0

November 11, 2026

YuYin is now Baozi Chinese. A whole new course, a new look, a new way to hear how you sound, voice talks with goals and corrections, new exercises, the full HSK 1–9 word lists, and sign-in with Apple or Google. Your words, streak and earlier lessons are all still here.

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Subscriptions & In-App Purchases

Baozi Pro Monthly

Every lesson and unlimited practice

$8.991 Month
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