Safari 26 brings a smoother, more app-like feel to many websites on iPhone and...

https://zulu-wiki.win/index.php/Why_Would_I_Use_a_Website_Instead_of_Installing_an_iPhone_App%3F

Safari 26 brings a smoother, more app-like feel to many websites on iPhone and iPad. When you add a site to your Home Screen, it now behaves more like a native app with fewer browser elements visible