Following from the statistics gathered via the YUDU Publisher system, should your publication be offered via an iOS application as paid-for content, the statistics on downloads of both the app and its contents will be delivered to the iTunes Connect system, and this is due to the stringent policy of user privacy concerning Apple content.
To check your paid for content downloads, first login to the iTunes Connect website with your Developer login details
Next we need to navigate to the Sales and Trends section to the left after logging in
From here, users can organise their dashboard in regards to the content or reports, granularity of the data, the dates concerned and more.
For further details on the Apple Sales and Trends system, please refer to the following document:
To track numbers of visitors, user journeys and more please see the general statistics guide below: