Identify app usage and browser usage from same device

I have a usecase where i want to track user across mobile browser and app. Is there a ID or signal which can be used to identify this?

Detailed context:

If a user visits my website and tries to access a mobile only feature the user will be redirected to play store/app store and once app is installed the user must be redirected to the specific feature in the app as soon as app is launched. This is needed for both android and ios.

In case there is a signal or ID which i can use to find users visiting the app after visiting the website in the same device's browser i can redirect the user to the concerned page.