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

https://deansinspiringperspective.hexaforgey.com/posts/why-do-games-stress-test-mobile-browsers-more-than-other-apps

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