Safari 26 makes websites on iPhone and iPad feel a lot more like native apps....

https://blogfreely.net/samuel-wang09/is-safari-26-bringing-the-mac-dock-web-app-idea-to-iphone

Safari 26 makes websites on iPhone and iPad feel a lot more like native apps. When you add a site to your Home Screen, it opens without the usual browser interface—no address bar or tabs—giving you a cleaner and more focused experience