What do you mean by download?If you mean the number of accounts that have purchased your application (even free applications get purchased) then that's listed as sales, whatever the user's iOS version is. Updates, installs, reinstalls, etc. are messy stastics to try to figure out from the sales reports, but that'll be all you have to work with.If you mean the specific data like number of times installed/reinstalled from the store as provided for iOS 8, then you're going to have to accept a whole lot of That information isn't available for previous versions. There are a lot of pieces to the analytics software, and some of those pieces just aren't present on the iOS 7 devices.