Transporter is an Apple tool to help you prepare your apps for sale in the Apple's App Store. Specifically, it takes app builds and uploads them to iTunes Connect.
- You can download Transporter from a link in iTunes Connect that says "Submit your builds ..." This link is shown under My Apps > [Your_App_Name] > Prerelease > Builds
- You can download the Transporter app through the link below. https://help.apple.com/app-store-connect/#/devb1c185036