Arch Chinese is a premier Chinese learning system crafted by Chinese teachers in the United States for Mandarin Chinese language learners at K-12 schools and universities. It offers a rich set of features with a slick and easy-to-use user interface and is designed specifically for English speakers who have little to no knowledge of Mandarin Chinese. The features of the system are distilled from user feedback and feature requests from the Chinese learning community. We also consult with Chinese teaching professionals from preschools to universities to incorporate their suggestions and ideas. Arch Chinese has become one of the most popular Chinese learning systems in the United States and many other countries around the world. Our ultimate goal is to provide a unique, high-quality learning system to help Chinese language learners around the world study Mandarin Chinese in a practical, effective, and enjoyable manner.