DuoCards - Vocabulary Builder

Build vocabulary with AI flashcards and video lessons

Build vocabulary and learn languages with DuoCards, a flexible vocabulary builder for English and 50+ languages. Save new words from videos, articles, subtitles, courses, then practice with AI flashcards, speaking exercises, listening practice, and spaced repetition so the words stay in memory.DuoCards is built for learners who want more than generic language lessons. You can discover useful words in real content, s…