Scientific Memory Method

Smart Review Timer

Review at optimal intervals based on the forgetting curve. Boost memory efficiency by 300%

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Start Using Ebbinghaus Method

Add your first learning item and we'll automatically generate a scientific 8-round review schedule to help you remember forever

IELTS VocabularyGRE PrepPython ProgrammingCPA Exam

What is the Ebbinghaus Forgetting Curve?

German psychologist Hermann Ebbinghaus discovered that forgetting begins immediately after learning and follows a "rapid then slow" pattern. After 20 minutes, 42% is forgotten; after 1 day, 74% is forgotten. Without review, only 13% remains after a week.

However, if you review at these 8 critical time points, memory retention can stay above 90%: 5 minutes, 30 minutes, 12 hours, 1 day, 2 days, 4 days, 7 days, 15 days.

Short-term to long-term memory conversion
Spacing effect: distributed learning beats cramming
Continuous strengthening of neural connections
Perfect for: languages, exams, skill learning

Spaced Repetition Timer for Effective Learning

Maximize your memory retention with our free Spaced Repetition Timer, based on the proven Ebbinghaus forgetting curve. Instead of cramming, this technique schedules review sessions at scientifically optimal intervals - just before you would forget. Perfect for language learning, exam preparation, professional certifications, and mastering any new skill.

The Science: Ebbinghaus Forgetting Curve

Discovered by psychologist Hermann Ebbinghaus in 1885, the forgetting curve shows that memory retention drops exponentially after learning. Without review, we forget approximately 50% of new information within an hour, and 70% within a day.

However, each review session "resets" the curve at a higher level. Our timer follows optimal intervals: 5 minutes, 30 minutes, 12 hours, 1 day, 2 days, 4 days, 7 days, and 15 days.

Review Schedule Intervals

5 min
Initial consolidation
30 min
Neural strengthening
12 hrs
Long-term formation
1 day
First consolidation
2 days
Spacing effect
4 days
Deep memory
7 days
Mid-term review
15 days
Long-term retention

Perfect For

Language Learning

Vocabulary, grammar rules, and phrases

Exam Preparation

Medical, legal, technical certifications

Professional Skills

Programming, design, business concepts

Music & Arts

Chord progressions, scales, theory

Medical Studies

Anatomy, drug names, procedures

Personal Growth

Quotes, principles, life lessons

Common Questions

What is spaced repetition?

Spaced repetition is a review method that revisits information at increasing intervals so you strengthen recall just before forgetting it.

Who is this planner useful for?

It works well for language study, exam prep, certifications, technical learning, and any topic that benefits from repeated review.

Can I export my review plan?

Yes. Each learning item can be exported as a calendar file so your review schedule can be tracked outside the app.