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About
Pinyin Tone Clinic is an offline learning tool for children reviewing Chinese Pinyin, parents helping with practice, and adults checking basic Mandarin pronunciation. It includes quick reference for initials, finals, and whole-syllable readings, confusing sound comparisons, four-tone reading practice, focused drills for retroflex sounds, nasal finals, neutral tone and erhua, dictation self-tests, a mistake notebook, progress statistics, and custom practice lists. No login or internet connection is required. Practice records, mistakes, and custom content are stored only on the device. The app does not collect or upload user data.
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