Quizlet


Quizlet is an American online study application that allows students to study information via learning tools and games. It was created by Andrew Sutherland in October 2005 and released to the public in January 2007.
Quizlet trains students via flashcards and various games and tests. As of February 6, 2019, Quizlet has over 300 million user-generated flashcard sets and more than 50 million active users. It now ranks among the top 50 websites in the U.S. In 2016, Quizlet was recognized by SimilarWeb as the fastest growing US Education site in 2015.

History

Quizlet was conceived by Sutherland while he was studying for his French class. To aid in memorizing words, he began writing a program to help him study. These first lines of code were deleted and then rewritten over a course of 420 days. In October 2005, Quizlet was released to the public.
Until 2011, Quizlet shared staff and financial resources with the Collectors Weekly web site. 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.
In 2011, Quizlet added the ability to listen to content using text-to-speech. In August 2012, Quizlet released an app for the iPhone and iPad and shortly afterward released an app for Android devices.
On April 29, 2015, Quizlet enabled HTTPS on their site..
On August 10, 2016, Quizlet introduced a revamp to their website with a new design interface, along with a new logo and homepage. Their mobile apps for iOS and Android also received a design interface update.
On August 23, 2017, Quizlet introduced a new diagramming feature to help learners with subjects heavy on visuals like geography, vocabulary, anatomy, and architecture.
On February 6, 2018, Quizlet announced that it had raised an additional $20 million in Series B funding, led by Icon Ventures.
On October 31, 2018, Quizlet announced the opening of their second office, which was located in Denver.
On February 11, 2020, Quizlet introduced Night Mode to all of its users. Before this, Night Mode was only available for users with paid subscriptions.

Study modes and games

As a memorization tool, Quizlet lets registered users create sets of terms and definition customized for their own needs. These sets of terms can then be studied under several study modes.
; Flash Cards:
; Gravity:
; Write:
; Speller:
; Match:
; Live

Controversy

Quizlet, similar to other user generated content platforms, students on Quizlet often upload information that one can use to cheat within the classroom. In a survey at a High School in Orlando, a student was quoted saying “If someone put $100 in front of you, would you take it?” asked the student who used Quizlet to cheat in high school."

API

Quizlet provides an API that allows others to access Quizlet data. Available functions include uploading and downloading flashcards, modifying users' flashcards, and finding definitions created by Quizlet users.