Preply is a cloud-based tutoring platform designed to promote learning with one-on-one online tutors. The company's marketplace utilizes machine learning algorithms to help students find, book, and connect with professional private tutors online globally, enabling individual learners to achieve their language learning goals quickly. Preply was founded in 2012 by Kirill Bigai, Dmytro Voloshyn, and Serge Lukyanov.