This property does not apply to Android devices.
One of the retrievable data properties that is not automatically collected is the application release date. It is possible to download a file in JSON format from Apple, which contains this information.
In order to obtain the JSON file, be sure you have the correct identification number for your application on the Apple App Store. You can locate the identification number in the application information on https://appstoreconnect.apple.com.
To locate the application release date:
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Access your application from iTunes: http://itunes.apple.com/lookup?id=<APPLICATION_IDENTIFIER>
Where <APPLICATION IDENTIFIER> is the unique ID of your published application. -
Download and open the JSON file associated with your application.
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Locate the releaseDate key in the JSON file
releaseDate":"2012-08-21T01:15:57Z"
After converting to milliseconds since epoch, use this data to set the applicationReleaseDate property in the CDDCData object when setting up the integration.