Safari 26 on iPhone and iPad helps many websites feel just like apps. When you...

https://lima-wiki.win/index.php/Does_Using_a_Web_App_Help_When_Switching_Between_iPhone_and_iPad%3F

Safari 26 on iPhone and iPad helps many websites feel just like apps. When you add a site to your Home Screen, it launches without the usual browser stuff, giving a clean, full-screen view