Dynamically scales review intervals (1 day, 6 days, 15 days) based on your subjective recall difficulty.
Advance mastered cards through 5 memory tiers while resetting forgotten cards back to daily review.
Export clean, high-contrast flashcard study sheets ready for physical desk review and paper cutout.
Cards answered easily have their review intervals doubled, while difficult cards repeat frequently until long-term memory consolidation occurs.
Yes, click 'Export Deck PDF' to generate an itemized question-and-answer study sheet.
No, 100% free with unlimited flashcard decks and browser memory persistence.