Quizlet

Quizlet is the largest user-generated consumer learning platform in the U.S., using activities and games to help students practice and master what they're learning. Quizlet’s learning activities help people effectively study over time so that they can master foundational information and retain it long-term. With more than 300 million user-created study sets currently available, students and teachers can find content from others or create their own. Quizlet supplements existing modes of learning, enabling students to engage with any material in the ways they learn best and providing a knowledge base for teachers to share content with one another. The company offers a combination of free and paid subscriptions for both students and teachers that enable further customization.

Since launching in 2005, Quizlet has steadily grown year-over-year and is used by teachers and students in every country around the globe, becoming a classroom staple for over one million teachers worldwide. Available on both desktop and mobile, Quizlet reaches over 50 million active users, and has more than 40 million mobile installs to date.