Q: What is FSRS?

FSRS (Free Spaced Repetition Scheduler) is a modern, open-source spaced repetition algorithm that uses machine learning to optimize your review schedule. It was developed to be more accurate and efficient than traditional algorithms like SM-2. FSRS learns from your personal review history to predict when you are most likely to forget each card, resulting in fewer reviews while maintaining the same level of retention. The more you study, the better it gets at scheduling your reviews at the ideal moment.

Question 1

What is FSRS?

Accepted Answer

FSRS (Free Spaced Repetition Scheduler) هي خوارزمية Spaced Repetition حديثة ومفتوحة المصدر تستخدم التعلم الآلي لتحسين جدول مراجعتك. تم تطويرها لتكون أكثر دقة وكفاءة من الخوارزميات التقليدية مثل SM-2.

يتعلم FSRS من سجل مراجعاتك الشخصي للتنبؤ بالوقت الذي يُحتمل أن تنسى فيه كل بطاقة، مما يؤدي إلى عدد أقل من المراجعات مع الحفاظ على نفس مستوى الاحتفاظ. كلما درست أكثر، أصبح أفضل في جدولة مراجعاتك في اللحظة المثالية.

Question 2

How is FSRS different from SM-2 or Anki?

Accepted Answer

SM-2 uses fixed parameters that are the same for everyone. FSRS adapts to your individual memory patterns by analyzing your review history using machine learning. This personalization means the algorithm becomes more accurate the longer you use it. Research shows that FSRS can reduce the number of reviews needed by 20 to 40 percent while maintaining the same retention rate, or improve retention while keeping the same review load. For students with large card collections, this efficiency gain translates to meaningful time savings every day.

Question 3

Can I switch from SM-2 to FSRS without losing progress?

Accepted Answer

Yes. RemNote makes it straightforward to switch between scheduling algorithms. Your existing cards and review history are fully preserved, and FSRS will use your past data to optimize future scheduling from the very first session after switching. There is no disruption to your study routine. You can switch in your settings and continue practicing immediately. If you decide to switch back to SM-2 at any point, your data remains intact as well.

Question 4

Does FSRS work with imported Anki decks?

Accepted Answer

Yes. When you import Anki decks into RemNote, the FSRS algorithm can immediately begin scheduling your cards based on their imported review history. Your existing progress transfers seamlessly, and FSRS uses that data to personalize your schedule from the start. This means you can move from Anki to RemNote without starting over. Your cards, tags, and review data come with you, and FSRS picks up where your previous scheduler left off while adding the benefits of machine-learning-based optimization.

Question 5

Is my data private and secure?

Accepted Answer

Yes. Your notes, flashcards, and review data are encrypted in transit and at rest. RemNote does not sell your data or use it for advertising purposes. The FSRS algorithm runs on your review history to personalize scheduling, but this data stays within your account and is not shared externally. RemNote is built with privacy as a foundational principle. You retain full ownership of your content and can export your data at any time.

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الأسئلة الشائعة

What is FSRS?

How is FSRS different from SM-2 or Anki?

Can I switch from SM-2 to FSRS without losing progress?

Does FSRS work with imported Anki decks?

Is my data private and secure?

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