Ios app install confirmation is a feedback mechanism which enables customers to receive confirmation from google every time an ios app install event can be attributed to an adwords ad click or view. why would an advertiser use this solution

The advertiser uses this solution because they use an in-house or third party app analytics system. Having an iOS app install authorization is a response mechanism that allows customers and third-party tracking companies to have authorization from Google every time an iOS app install event can be qualified to an AdWords ad click or view. This response solution is anticipated for companies using in-house app analytics solutions to track credit through multiple ad networks.