Safari 26 on iPhone and iPad helps websites act more like real apps. When you...

https://blogfreely.net/samuel-wang09/website-vs-app-from-a-user-perspective-does-it-even-matter-anymore

Safari 26 on iPhone and iPad helps websites act more like real apps. When you add a site to your Home Screen, Safari offers an 'Open as Web App' option that lets the site run without the usual browser bars