AI Business Chinese is a smart and efficient Business Chinese Mandarin Learning app that allows you to master Business Chinese Mandarin.

[AI Intelligent Score]
The unique AI voice engine scores your oral Chinese in real time, and helps you to correct pronunciations. It can detect all mistakes in initials, vowels and tones immediately.

[Standard Mandarin]
All dubbings are recorded by professional international Chinese teachers in person. You can learn standard Chinese Mandarin anytime and anywhere.

[In-Depth Vocabulary]
The comprehensive vocabulary allows you to smoothly connect to HSK level 4.

[Multi-language supports]
The app supports English, Thai, Vietnamese, and Indonesian.

Auto-renewal service Terms : https://www.octtest.org/upfile/Auto_renewal_Service_Terms_ABC/Auto_renewal_Service_Terms_ABC.html