The real answer to this question? (Surprise!) It depends. I have worked on a side project for the last year or so that will have a website and a mobile application. It has social elements, so ultimately I decided to prioritize the mobile application, because that is where users have access to their contacts, and do most of their communication with their friends and family. There are, of course, other business ideas t…
Not that I know anything not known publicly but I suspect the reason Apple iOS Safari does not have Web Push API is not because they lack developer resources to write the code to get it done. Apple is under tremendous pressure to increase revenue from its "services" right now so it seems a bad time to strengthen PWAs.