똑똑보카 is an innovative educational application designed for iPhone users, offering a unique approach to English vocabulary learning. This free app allows students to effortlessly access predicted exam vocabulary from their school textbooks. Key features include automatic vocabulary exposure each time the smartphone is turned on, a quiz system that rewards users with cash for completing exercises, and a learning notebook that saves daily vocabulary for easy review.

The app supports customizable study plans based on individual school curricula, allowing users to prepare for specific exams or review a year's worth of vocabulary in advance. Users can accumulate cash through quizzes, which can be exchanged for various gift cards and rewards. With additional features such as continuous playback for on-the-go learning and personalized study courses, 똑똑보카 aims to make vocabulary acquisition both effective and rewarding.