Is there any sites or apps that use a spaced repetition technique (SR-system) for learning new words or grammar?
There are several examples I am really excited about (WaniKani - for Japenese Kanji, Jalup NEXT - for learning Kanji as well as grammar, Bunpro - specifically for Japanese grammar), but as you've already noticed they are all for learning Japanese. However, the results of not that long learning are quite impressive for me. One word, SRS just works for me.
So, I'm wondering about similar examples for French.