Safari 26 on iPhone and iPad helps many websites feel more like apps by...

https://lanescooljournal.inkharbory.com/posts/why-apple-letting-any-site-open-as-a-web-app-matters-for-developers

Safari 26 on iPhone and iPad helps many websites feel more like apps by improving how they work when added to your Home Screen. With the new 'Open as Web App' feature, sites open without the usual browser bars, giving you a cleaner, full-screen experience