자리있어 is a utility and tools app designed for iPhone users. It aims to help users find available seats in courses they were unable to register for during enrollment or in classes that are already full. The app facilitates the search for vacant seats or matches users for course exchanges, providing a solution for those looking to enroll in popular or high-demand classes.

With 자리있어, users can efficiently navigate through course availability, making it convenient for individuals to manage their academic schedules effectively. This free app developed by ChangJu Lee serves as a valuable tool for students seeking to optimize their course selections and academic pursuits.