title: Auto Renewal -In App Purchase Upgrade if we have website and app for the same Domain
body: <p>I need suggestion to manage the auto renewal subscriptions , if we have iOS ,Android and website, how the upgrade, downgrade works in Sync.</p>
  
  <p>need to know, if i buy a subscriptions through iOS, and than switch to android and upgrade from Android or web, how it will work</p>