Safari 26 lets you open many websites on your iPhone and iPad like they are...

https://wiki-zine.win/index.php/Will_Safari_26_Reduce_the_Need_for_App_Store_Downloads_for_Simple_Tools%3F

Safari 26 lets you open many websites on your iPhone and iPad like they are apps. When you add a site to your Home Screen and use the new ‘Open as Web App’ option, the site launches without browser bars or tabs, giving a cleaner look