How can the network determine whether app, is installed or not?

assume that there is a link in the network address
will send app
to app store when pressed, but if it is installed, you don"t need to open app store
to open app directly.
how can this be realized?
I am now downloading the link to app store on the results
, but after pressing it, even if the app is already installed
, I will still ask you to open app store

.
Apr.09,2021

just use the itunes meta special tag.

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