I’ve played around with all four programs. I guess it just comes down to what you’re using the tool for. I can’t draw so I have no business in Krita. I’ve made logos in Inkscape and have used GIMP and Photoshop for different things. I’ll start most projects GIMP and move to a more specialized tool of I need it.

Wouldn’t Inkscape be a more similar tool to Krita?

These programs are tools you have to learn to use. A hammer is pretty simple to use but it’ll take some time before you’ve curving a marble statue.