App Name Expiry on iTunes Connect
Apple in iTunes Connect Developer Guide says: App Name Expiry Once you have created your app, and it is in the state Prepare For Upload or Waiting For Upload, you will have 180 days (6 months) from your creation date in iTunes Connect, to deliver a binary to Apple. If you do not deliver a binary before the 180-day deadline, your app will be deleted from iTunes Connect. As a result of this deletion, your app name will be able to be used by another developer and you cannot reuse the app name, SKU or Bundle ID. See the Deleting an App section of this guide to learn more about the ramifications of