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

https://felixssuperperspective.brightsora.com/posts/what-are-the-most-common-limitations-of-web-apps-on-ios-right-now

Safari 26 on iPhone and iPad helps websites feel more like apps by improving how they work from the Home Screen. When you add a site to your Home Screen and use the new "Open as Web App" option, the site launches without the usual browser bars and menus