Buff: Word Power is an educational mobile application designed specifically for students of Cheongdam Language Academy and April Language Academy. This app offers a fun and engaging way to learn vocabulary through various training modules that cover words learned in i-Learning and p-Learning as well as those designated by the Ministry of Education. Users can also prepare for vocabulary tests, ensuring a comprehensive learning experience.

Key features of Buff: Word Power include accessibility on both tablets and smartphones, allowing users to review and reinforce their vocabulary through a personalized word bank. The app tracks the number of words memorized, enabling users to level up and grow their Word Power, while also providing insights into the number of words mastered compared to the top 10% of their peers. Additionally, users can customize their character and gain aura as they progress through levels.