Have you ever wondered how an App or Platform or Product has got compelling UX when compared to the other competitors of similar capabilities addressed by another?
If they are solving the same purpose or function with almost the same non-functional needs, Then the Product Owner or Product Management has to look at the UX aspects of it for sure to improve...
Refer to Laws of UX (User Experience) https://lawsofux.com/ which is a collection of best practices that designers can consider when building user interfaces.
Reference:
https://lawsofux.com/