U CUBE is the official global fan site application for CUBE Entertainment. The app provides a platform for fans to interact with CUBE artists and stay up-to-date with their activities. With features such as Talk, Letter, Notice, Media, Scheduler, and Badge, U CUBE aims to bring fans closer to their favorite artists.

The Talk feature offers a free communication platform for fans to interact with each other. The app also provides translation services to facilitate global communication. Fans can express their appreciation for posts by clicking on the heart icon.

The Letter feature allows fans to read letters written by the artists themselves. Fans can also write letters to their favorite artists by using the To. Artist function.

The Notice feature provides access to official announcements, public broadcasts, and event notifications. Users can filter notifications by category.

The Media feature offers a platform for official fan club content uploads.

The Scheduler feature allows fans to view the official schedules of their favorite artists.

The Badge feature allows fans to earn badges by participating in various activities such as joining the official fan club, attending offline events, concerts, and public broadcasts.

Overall, U CUBE is an excellent app for fans to connect with their favorite CUBE artists and stay up-to-date with their activities.