The dominant flashcard platform, now powered by generative AI. Key 2025 features include 'Magic Notes' (turning lecture notes into study sets instantly) and 'Q-Chat' (a Socratic AI tutor). While its library of 700M+ sets is unmatched, the strict paywalling of legacy study modes and aggressive annual billing have sparked a search for free, AI-native alternatives.

A popular Education tool that many users find too expensive or restrictive.