Learning Korean

Hello people who are reading this. I'd really like to learn Korean but because this is going to be my first language that I have to learn on my own, I'm not so sure how to do that. I know there are many apps out there which want to help you with learning languages, do they really help? And if yes which do you recommend?
Anyways, I'd be really thankfull if someone can help me out a bit! :)