In the past 3 years (after the first launch), Vocably became smarter (thanks to AI), released as iOS and Android apps (and 90+ new versions on those apps), became available not only as Chrome, but also Safari, and iOS Safari extension (Firefox is coming), and became a more engaging learning tool with various quizzes and questions.
Check out unfamiliar words while surfing the web in a foreign language. Then, automatically save the checked-out words as flashcards. The flashcards are available for review and study on your mobile device.