SRS, Flashcard
Service
- Anki
- WaniKani
- Bunpro
- SuperMemo
FSRS (Free Spaced Repetition Scheduler)
The latest SRS algorithm uses machine learning to model each card's difficulty, stability, and retrievability, then predicts and schedules optimal review timing just before forgetting, based on the user's target retention rate (default 90%)
Spaced Repetition Systems Have Gotten Way Better
Spaced repetition systems are a well-known way to efficiently learn material. Recent innovations have applied machine learning to greatly improve their scheduling.
https://domenic.me/fsrs/
Anki
An Opinionated Guide to Using Anki Correctly — LessWrong
I can't count how many times I've heard variations on "I used Anki too for a while, but I got out of the habit." No one ever sticks with Anki. In my…
https://www.lesswrong.com/posts/7Q7DPSk4iGFJd8DRk/an-opinionated-guide-to-using-anki-correctly

Seonglae Cho