I've been working for the past few years on an app that attempts to combine the two (Zettelkasten / wiki + flashcards / Spaced repetition). [0] I personally really like the zettelkasten method and it's the only note-taking method that has really worked for me. Being able to then take a subset (or all) of those cards and put them into a spaced repetition review schedule makes them even more useful.
[0] https://mochi.cards/