Safari 26 makes using websites on iPhone and iPad feel more like using apps....

https://dibz.me/blog/what-is-the-difference-between-a-pwa-and-just-a-site-added-to-home-screen-1273

Safari 26 makes using websites on iPhone and iPad feel more like using apps. When you add a site to your Home Screen, it now launches without the usual browser bars cluttering the view