A React vs. Angular comparison is still a popular topic in 2020.
But, What should you pick Angular or React for your app?
Angular is a full-fledged framework, while React is a library. React. js uses virtual DOM and one-way data binding while Angular operates on real DOM & two-way data binding. A large difference between React and Angular is one-way vs. two-way binding. There are some specific reasons to choose Angular.js over React.
So there are "some specific reasons" to prefer one of the libraries, but you're not going to tell us what they are? The page you linked explains nothing, it's just an ad - and there is a similar page for React. How are we supposed to make up our mind if you advertise both?