Guide
Studying with Spaced Repetition
What FSRS actually does, how to rate a card honestly, and why a few minutes a day beats a weekend of cramming.
Blog
Product updates and practical ways to study with Sona.
Guide
How to Create a Useful Deck
FSRS only works as well as the cards you feed it. A practical guide to writing cards, splitting decks, and using AI generation as a first draft.
Update
Introducing Sona
Sona pairs Quizlet's simplicity with Anki's power — FSRS-driven spaced repetition that tells you exactly what to review, and when.