I use Duolingo, but only free. They've given me free access to their super tier twice now for a few days or a week each time. I assume at some point they'll do

I use Duolingo, but only free. They've given me free access to their super tier twice now for a few days or a week each time. I assume at some point they'll do the same to try to give me a taste of this new product and maybe it'll be good? Either way I'll wait and see for a free option. I understand your skepticism. But I hope it ends up being a fun (and importantly: effective!) new way to learn.