Cards resurface at the scientifically optimal interval, weighted by your confidence ratings and live performance — the memory engine powering Learn mode.
Spaced repetition is the platform's core scheduling algorithm — SM-2 and above — built into every review queue and powering Learn mode. Cards resurface at the scientifically optimal interval for long-term retention, but ours goes beyond a fixed schedule: it weights each card by the confidence you rate before flipping it and by your live performance in sessions like FastFire. The result is a queue that spends your time on what you're about to forget, not on what you already know cold.
The proven spaced-repetition algorithm family, built natively into every review queue across the platform.
Rate how sure you are before you flip — that signal feeds straight into how often the card comes back.
Live results from study sessions re-weight intervals, so a card you just bombed resurfaces sooner.
The same engine drives the adaptive Learn session, continuously reshuffling toward your weakest items.
Generate flashcards, quizzes, and audio from your own notes — then study with an AI tutor that knows exactly where you're stuck.