They're both tools that use spaced repetition [1].
The OP made it sound like Hickory is automatically generating cards based on what a user reads. It also sounds like Hickory is doing more analytics. Of course, Anki is open-source, so it could be augmented to do these.
The OP made it sound like Hickory is automatically generating cards based on what a user reads. It also sounds like Hickory is doing more analytics. Of course, Anki is open-source, so it could be augmented to do these.
[1] https://en.wikipedia.org/wiki/Spaced_repetition