Home Screen web app shortcuts will also launch in the user’s default third party app now, not just Safari. The design of fallback web app shortcut icons is also changing starting with iOS 16.4.

Yes, every app, every time. That makes Icon Pack Studio a single place to discover, edit, and automatically generate Android app icons for 100% of the apps on your device.

WhatsApp works through your web browser, such as Google Chrome, and doesn't need to be installed. It's convenient if you use a work computer and your administrator doesn't allow you to install apps.