#2 feels like it would be easily destroyed if it got any traction by an incumbent offering something similar (Duolingo, Babbel etc). #1 seems to have a better

#2 feels like it would be easily destroyed if it got any traction by an incumbent offering something similar (Duolingo, Babbel etc). #1 seems to have a better moat and more novel value. Plus people are paying for it already, which is a huge endorsement. I'd go for #1.