AceChinese is the first mobile product of Shanghai Zhuyan Edu&Tech Co.Ltd. Since our first stages of app development we have strived to make a practical and interesting Chinese product that improves Chinese learners' learning efficiency. All the features in the current product are free to experience. We will continue to keep adding and updating more interesting content and features. In the course of using this product if you find any bugs have questions or special needs please contact us through "Me - Settings - Questions and Feedback" or send an email to [email protected]. Your comments will be carefully reviewed by us and your ideas may determine the direction of our future development. Let us work together to create a great Chinese learning product!