AI Chinese prep is an intelligent and efficient Mandarin learning software, so that you can easily learn to speak Chinese! [AI intelligence score] The unique powerful voice engine can score your spoken English in real time and help you correct every detail of Putonghua pronunciation. Consonants, finals and tones are all in one net. [authentic Mandarin] Dubbing is done by professional international Chinese teachers. You can learn authentic mandarin without leaving home. [most complete