How does the Sololearn make its funds?

Question

What was the reason that Sololearn made this app, and how does it make its funds?

Answer 1

https://techcrunch.com/2017/07/10/code-teaching-app-sololearn-wins-fbstart-apps-of-the-year-competition/

https://www.crunchbase.com/funding-round/eaeec7c365b60a6c4a448a77110c2bef

https://techcrunch.com/2016/10/18/sololearn-raises-a-1-2m-seed-round-to-socialize-mobile-code-learning-via-its-app/amp/

Answer 2

Make it sells the codes we create here. :)
Just kidding!
Sometimes apps like this are really free just to help others, sometimes after a few years of getting lots of users they add new parts to make money,
like premium parts or making deals with companies looking for programmers or even ads.

Answer 3

Maybe its just free to help people learn programming

Answer 4

Wow, you just made me realise SoloLearn has absolutely no ads or in-app purchases... :O