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

https://www.easybookmarkings.win/safari-26-on-iphone-and-ipad-helps-websites-feel-more-like-real-apps-by

Safari 26 makes websites on your iPhone and iPad feel more like native apps. When you add a site to your Home Screen, it now launches in a clean window without browser bars, just like a regular app