Safari 26 makes using websites on iPhone and iPad feel more like using apps....

https://emilyscoolnews.urbanvellum.com/posts/how-do-i-decide-if-my-mobile-service-needs-app-store-distribution

Safari 26 makes using websites on iPhone and iPad feel more like using apps. When you add a site to your Home Screen, it now launches without the usual browser bars cluttering the view