시원스쿨 B2B is an app designed for corporate and group members of Siwon School. It offers convenient access to all Siwon School lectures through its B2B platform. The app's key features include background playback, allowing users to listen to lectures even with the screen locked, as well as the ability to leave course reviews and study questions while taking classes.

Additionally, users can seamlessly continue their lectures from where they left off, download specific lectures for offline viewing, and easily view their progress across different packages and subjects. Siwon School B2B aims to provide a user-friendly experience for learners on the go.