[pahool]

I prefer Mango Languages, which I get for free through my public library. The progression feels better to me, it's not as gamified (sorry for using that word), and there is some (though not a ton of) actual lesson content in there. For example, learning Spanish, it gives some context on the different usages of "Ser" vs. "Estar" for "to be", and it includes discussion on gendered nouns. DuoLingo may have gotten to some brief lesson content at some point, but for me it was too grating to continue with and I quit before I made much progress with it.