Krita does have a paid app in the Windows App store plus they have a one on Steam called Gemini. But I'd guess they don't make a lot on this. Something like Syn

Krita does have a paid app in the Windows App store plus they have a one on Steam called Gemini. But I'd guess they don't make a lot on this. Something like Synergy primarily makes money because it gets sold to business which are more willing to spend.