Essentially this would "bucket" cards into different categories, with a different amount of time between each category and cards going up the categories as users correctly answer them. It would be nice if this was customizable (even per-deck?) but start with a "recommended" set of categories.
Essentially this would "bucket" cards into different categories, with a different amount of time between each category and cards going up the categories as users correctly answer them. It would be nice if this was customizable (even per-deck?) but start with a "recommended" set of categories.
Here's a description of WaniKani's system and here's the Wikipedia page for the Leitner system in general.