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

https://victor-wiki.win/index.php/Can_a_Web_App_Replace_a_Native_App_for_Productivity_Tools_Like_Notes_and_Dashboards%3F

Safari 26 on iPhone and iPad makes many websites feel more like native apps. When you add a site to your Home Screen, it now uses 'Open as Web App' by default