4,581 questions ·11 exams ·FSRS-4.5 · Telegram-native
01
Spaced repetition
FSRS-4.5 predicts when you'll forget. We send questions before you do.
02
Adaptive difficulty
Questions get harder as you improve. Weaker topics appear more often.
03
Practice exams
Half and full-length mocks. 72% pass gate. Know where you stand.
04
Track everything
Retention forecasts, streak tracking, study analytics. All in one place.