Unfortunately the installation experience on Android has been getting worse. In the beginning a website could prompt the user for installing the app offline, then it became a semi-heuristic thing when the browser would trigger that even, now you have to do it through an entry in settings. Also, if you've installed multiple browsers, it's a dice roll which browser will be used to launch the app.
Safari
Why? Because companies like Apple don't want to lose additional revenue they earn by forcing everyone to use their App Store. That's why we have stories like this one: https://techcrunch.com/2024/02/15/apple-confirms-its-breakin...