Yuyin - AI Chinese Pronunciation Coach – AI-powered app providing instant feedback on Chinese pronunciation

Summary: Yuyin is an iOS app that uses AI to analyze spoken Chinese, offering immediate feedback on tones, accuracy, and fluency. It includes native speaker audio, real conversation practice, stroke order learning, and vocabulary building with spaced repetition, covering HSK levels 1–6.

What it does

Users record their voice to receive word-by-word pronunciation feedback and fluency scores. The app features tone training with native speaker voices, scenario-based conversation practice, character stroke order exercises, and adaptive courses in English and Chinese.

Who it's for

Chinese language learners seeking to improve spoken pronunciation, fluency, and character writing across beginner to advanced levels.

Why it matters

It addresses the gap in pronunciation-focused learning by actively listening and correcting speech, helping users be better understood by native speakers.