Quizlet

Founded in 2005 by Andrew Sutherland, Quizlet has grown into a global study platform used in more than 130 countries, with over 60 million learners and 900+ million study sets. :contentReference[oaicite:1]{index=1} The platform offers multiple study modes such as Flashcards, Learn, Test, Match and Gravity, adaptive practice and gamified experiences for students, along with collaboration tools for teachers and learners. :contentReference[oaicite:2]{index=2} In recent updates (2025) Quizlet has introduced AI‑driven enhancements aimed at delivering highly personalised learning experiences by leveraging its vast user‑generated content and data. :contentReference[oaicite:3]{index=3} It is used across K‑12, higher education, test preparation and professional training, enabling users to study anywhere, anytime on web and mobile. :contentReference[oaicite:4]{index=4}