VViderr: Improve Vocabulary

Wider is a vocabulary app that uses spaced repetition system and quizzes to help you memorize the 20000 most common English words.

You don't need to master the entire dictionary to understand everyday English, According to scientific studies, 5000 words allow you to understand about 98% of most ordinary texts, 10000 words allow you to understand about 99% of most texts, In this app, we give you a generous number: 20000 most common English words, ordered by importance.