Wordmelon is a pocket-sized vocabulary learning device and app for focused study. Unlike smartphones full of distractions, it helps you learn and review words efficiently. Features include a 2.7-inch E-Ink screen, offline learning, built-in word lists, pronunciation, spelling tests, and spaced review based on the Ebbinghaus forgetting curve. Covering school exams, TOEIC, TOEFL, IELTS, and more, Wordmelon makes vocabulary learning simple anywhere.