Safari 26 turns many websites into app-like experiences on your iPhone and...

https://highstylife.com/how-do-i-add-a-website-to-my-ipad-home-screen-and-make-it-feel-like-an-app/

Safari 26 turns many websites into app-like experiences on your iPhone and iPad. When you add a site to your Home Screen, it behaves more like a standalone app with minimal browser elements