Memrise is a British language platform that uses spaced repetition of flashcards to increase the rate of learning. It is based in London, UK. Memrise offers user-generated content on a wide range of other subjects. The Memrise app has courses in 16 languages and its combinations, while the website has a great many more languages available. As of 2018, the app had 35 million registered users. Memrise has been profitable since late 2016, having a turnover of $4 million monthly.