

Quizlet launched a redesign in August 2016 and hired Matt Glotzbach as CEO a few months earlier in May. In August 2012, it released an app for the iPhone and iPad and shortly afterward one for Android devices. In 2011, Quizlet added the ability to listen to content using text-to-speech. In 2015, Quizlet announced raising $12 million from Union Square Ventures, Costanoa Venture Capital, Altos Ventures, and Owl Ventures to expand its digital study tools and grow internationally. Until 2011, Quizlet shared staff and financial resources with the Collectors Weekly website. In the following two years, Quizlet reached its 1,000,000th registered user. On April 15, 2008, Quizlet made its first national TV appearance when Sutherland was featured on the Mike and Juliet Show. Quizlet's blog, written mostly by Andrew in the earlier days of the company, claimed it reached 50,000 registered users in 252 days online. Quizlet was founded in 2005 by Andrew Sutherland as a studying tool to aid in memorization for his French class, which he "aced". As of December 2021, Quizlet has over 500 million user-generated flashcard sets, and more than 60 million active users according to Quizlet's website.

In 2017, 1 in 2 high school students used Quizlet. Quizlet's primary products include digital flash cards, matching games, practice electronic assessments, and live quizzes. It was founded by Andrew Sutherland in October 2005 and released to the public in January 2007. Quizlet is a multi-national American company that provides tools for studying and learning.
