Spaced Repetition

The science of never forgetting

EduCard AI uses the proven SM-2 spaced repetition algorithm to show you the right card at the right time — maximizing retention with minimum effort.

The Forgetting Curve

Review at the perfect moment

Without spaced repetition, you forget 80% within a week. With it, each review strengthens the memory and pushes the next review further out.

Day 1First review

Card shown right after creation

Day 3Short-term recall

AI checks if you still remember

Day 7One-week review

Strengthening memory pathways

Day 14Two-week review

Moving to long-term memory

Day 30Monthly review

Deep retention confirmed

Day 90Quarterly review

Permanent knowledge

Why Spaced Repetition

Built for long-term mastery

Study less, remember more

Spaced repetition is scientifically proven to reduce study time by up to 50% while doubling retention rates.

AI-optimized intervals

Our SM-2 algorithm adapts review intervals based on your performance — cards you struggle with appear more often.

Weak topic detection

EduCard AI tracks which topics you get wrong and automatically generates focused study sessions to fill knowledge gaps.

Progress tracking

See your mastery level for every topic. Visual dashboards show what you know and what needs more work.

Smart study sessions

One-click smart study generates a session mixing 70% weak cards with 30% review cards for optimal learning.

Daily review reminders

Never miss a review. Your dashboard shows exactly how many cards are due today, keeping your streak alive.

Start retaining what you study

Join students who remember 90%+ of what they learn using AI-powered spaced repetition.