Safari 26 on iPhone and iPad helps websites feel more like apps by improving...

https://nova-wiki.win/index.php/What_Does_a_Web_Application_Manifest_Actually_Do_on_Safari%3F

Safari 26 on iPhone and iPad helps websites feel more like apps by improving how they work from your Home Screen. When you add a site to your Home Screen and choose 'Open as Web App,' it runs without browser bars, giving you a cleaner, app-like experience