How does Sololearn make profit? What is the business model of this company?

Question

Sololearn is free. I don't think I saw advertisements.

Answer 1

https://www.sololearn.com/discuss/374428/?ref=app

Answer 2

Ads are not the only way to make money.

https://www.quora.com/How-do-websites-earn-money-even-without-advertisements

https://ivetriedthat.com/2013/02/18/how-to-go-ad-free-and-still-make-money-on-your-website/

Answer 3

Investors 😶

Answer 4

Professional Membership subscribtion?