Lightroom Mobile is the lightweight iPad, iPhone and Android version of the application, integrated with Lightroom CC. You can use Lightroom Mobile on its own for free, or use the Premium In-App Purchase to access the Adobe Creative Cloud. This enables you to create a collection of photos on your desktop copy of Lightroom, and sync them via the Creative Cloud to Lightroom Mobile on your portable devices. You can also get Lightroom Mobile via any Photography Plan.