Meet your personal AI tutor
Ari will help you learn better with less effort thanks to machine learning. Ari is short for Aristotle and a contraction of Artificial Intelligence.
Learn any subject
Choose from thousands of undergraduate and graduate courses taught at Harvard University, Stanford University, EPFL, and more. From engineering to medicine, from computer science to business, from physics to metaphysics.
Solve fun puzzles and ace your exams
Learn by taking quizzes about key concepts from your courses. Experiments at EPFL demonstrated that students who learn regularly with Ari get 20% better grades.
You will learn more efficiently because Ari adapts to your knowledge levels and to your memory abilities thanks to machine learning. The more you learn with Ari, the more Ari learns about you, and the more you benefit from personalization!
Ari learns how your memory works and adapts your revisions accordingly. Your knowledge gets optimally consolidated for the long term.
Visualize your progress
Ari represents your knowledge as a constellation of colored dots, one for each concept you're learning. The brighter they get, the brighter you are!
Compete with your friends
Win activity points and challenge your friends to top the leaderboard.