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TonePerfect is an AI pronunciation coach for Chinese (Mandarin), English, Spanish, French, German, Russian, Japanese and Korean that scores every sound a learner says — and, for Mandarin, every tone.

TonePerfect helps learners improve their pronunciation in eight languages — Chinese (Mandarin), English, Spanish, French, German, Russian, Japanese and Korean — with instant AI feedback on every sound. Mandarin, the deepest course, scores tones, initials and finals separately. The website offers a free pronunciation test in each language and independent HSKK speaking resources; guided practice is in the app on iOS, Android and the web.

TonePerfect helps language learners practise speaking with detailed pronunciation feedback. Learners record Mandarin words and sentences, inspect their tones and sounds, and practise again. Independent HSKK resources on the website include original Basic, Intermediate and Advanced speaking exercises, sample answers, picture descriptions and preparation guides. A free browser exercise checks pronunciation when reading a sample sentence; it does not predict an official exam result. TonePerfect also offers guided app practice and pronunciation courses in English, Spanish, French, German, Russian, Japanese and Korean. HSKK materials are independent learning resources, not official past papers or a complete mock test.