If you know what you're doing, the UI/UX of a native desktop application can be light-years better than that of a web application. For almost any purpose.
SaaS, by contrast, is typically easier to monetize, distribute, and update; it can also be easier to build, depending on functionality and UI complexity.
SaaS, by contrast, is typically easier to monetize, distribute, and update; it can also be easier to build, depending on functionality and UI complexity.