TonePerfect

What it does

Record your Mandarin and get instant AI feedback on tones, initials, and finals. Start with a free 2-minute placement test (level + per-sound breakdown) or practice with your own custom text.

Perfect your Mandarin Chinese pronunciation with AI-powered feedback. Master all 4 tones, 21 initials, and 38 finals. Take a free 12-prompt pronunciation test and get instant results. Also English, Spanish, French, German, Russian, Japanese and Korean.

Record 5 words. Get an instant breakdown of your tones, initials, and finals — and know exactly what to fix. “ I finally understood why native speakers couldn't understand my 3rd tone. The AI feedback showed me exactly what I was doing wrong. ” Systematic training designed by language experts, powered by cutting-edge AI. Master all 4 Mandarin tones plus the neutral tone with instant per-syllable tone scores, native-speaker audio to compare against, and targeted drills. Train every Mandarin sound—21 initials and 38 finals—with targeted exercises for each sound. Get instant, detailed analysis of your pronunciation—tone accuracy, segment clarity, and overall score. Anki-style review system…from toneperfect.app

• IT
  I trained a 9M speech model to fix my Mandarin tonesJan 2026 · simedw.com · ▲469

  Built this because tones are killing my spoken Mandarin and I can't reliably hear my own mistakes. It's a 9M Conformer-CTC model trained on ~300h (AISHELL + Primewords), quantized to INT8 (11 MB), runs 100% in-browser via ONNX Runtime Web. Grades per-syllable pronunciation + tones with Viterbi forced alignment. Try it here: https://simedw.com/projects/ear/

• 
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• MT
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• IB
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