Looking for code that would run in a browser (Safari) to determine if a certain iphone app was installed on a users device (开发者_开发问答iphone, ipad or ipod touch). The end goal is dynamically display messaging on a site to instruct the user to go install the app.
No way Apple will ever open up such functionality :) (and it does not exist right now)
This would be a significant privacy issue, Apple would not permit it.
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