The web is the app platform of today. Many, many things that would have been local applications are now web apps. Document editing, email, chat, collaboration...
There's players like apple making PWAs not have all the features they should, though
Which is much to all of our detriment. Web apps can't hold a candle to native apps in the quality of the user experience they provide.
I’m hoping that great AI means we get back to native apps and leave the web house of cards behind.