Duolingo Help Center
What is Duolingo?
Can you become fluent with Duolingo?
How do I learn with Duolingo?
Are there official studies about Duolingo?
How much does Duolingo cost?
Do I need the internet to use Duolingo?
Is my information safe?
I think Duolingo is awesome and want to work there! How do I submit my resume?