How it works
apple-touch-icon.png at 180×180 is added to the iOS home screen when users “Add to Home Screen”.
Android Chrome uses 192×192 for shortcuts; pair it with 512×512 for PWA install banners.
Frequently asked questions
Do I need a separate Apple icon?+
Yes for best results on iPhone and iPad — use 180×180 PNG named apple-touch-icon.png in your site root.