Duolingo is much cheaper than the price of language lessons per hour at minimum wage when you get unlimited use per year
You can use it for free also but it is not a good use of time because you have to earn hearts every time you make a mistake and Duolingo does not understand that there is no definite or indefinite article in modern Korean leading to a lot of mistakes that are not really mistakes
Unlike a tutor or class you can practice any time you want
I never use the microphone for duolingo I do not want my voice on record to make me say things I did not say
@jeffcliff @Soy_Magnus
Haitian Kreyol on Duolongo is much easier than French even though it allegedly borrows a lot of vocabularly from French