Flashcard Exchange is a free web-based application for the creation, study, and sharing of flashcard

Flashcard

A flashcard or flash card is a set of cards bearing information, as words or numbers, on either or both sides, used in classroom drills or in private study. One writes a question on a card and an answer overleaf. Flashcards can bear vocabulary, historical dates, formulas or any subject matter that...

s. With more than 21 million flashcards generated by its users, Flashcard Exchange's electronic flashcard library is the biggest in the world.

History

Flashcard Exchange was launched in January 2001 by Culley Harrelson of Tuolumne Technology Group, Inc.

On December 8th, 2008, MacCoreMac Software and Flashcard Exchange announced a partnership, bringing exclusive access to Flashcard Exchange for users of Mental Case 2.0 for iPhone

IPhone

The iPhone is a line of Internet and multimedia-enabled smartphones marketed by Apple Inc. The first iPhone was unveiled by Steve Jobs, then CEO of Apple, on January 9, 2007, and released on June 29, 2007...

 and iPod touch

IPod touch

The iPod Touch is a portable media player, personal digital assistant, handheld game console, and Wi-Fi mobile device designed and marketed by Apple Inc. The iPod Touch adds the multi-touch graphical user interface to the iPod line...

.

Usage

Users can create free accounts on the website to devise flashcards, but must pay a charge to print and download flash cards. An upgraded account offers the use of the Leitner system

Leitner system

The Leitner system is a widely used method to efficiently use flashcards that was proposed by the German science journalist Sebastian Leitner in the 1970s...

, a spaced repetition

Spaced repetition

Spaced repetition is a learning technique that incorporates increasing intervals of time between subsequent review of previously learned material; this exploits the psychological spacing effect...

learning technique.

The website also enables instructors and their students to play memory games.

Upgraded accounts can create image and audio flashcards; access advanced study tools; and download, save, and print flashcards.

Flashcards can be created in a number of languages, such as English, Spanish, German, Chinese, Polish, and Portuguese. Flashcards at Flashcard Exchange are placed into categories, including "early education, elementary school, high school, higher education, science, medicine, trades and occupations, information technology, more than thirty languages, and miscellaneous".

Flashcard Exchange was praised by Education World as being "simply designed and intuitive to use".