Safari 26 lets you open many websites on your iPhone and iPad like they are...

https://wiki-velo.win/index.php/Website_vs_App_from_a_User_Perspective:_Does_It_Even_Matter_Anymore%3F

Safari 26 lets you open many websites on your iPhone and iPad like they are apps. When you add a site to your Home Screen and use the new ‘Open as Web App’ option, the site launches without browser bars or tabs, giving a cleaner look