活书 is an iPhone application developed by Beijing Xinggan Xinglian Technology Co. Ltd., available for free in the Education & Reference category. The app offers a variety of unique learning scenarios aimed at assisting users in their academic pursuits.

One of the key features of 活书 is the "Interview Room," where users can engage in interview practice sessions in a simulated group setting. With features such as AI interviewers, assistants, and peers, users can enhance their performance in structured interviews and group discussions. Additionally, the app provides a dedicated space for thematic discussions, real-time voice chats, and networking opportunities, fostering interactive learning experiences and social connections.