Dropshare Cloud is a file hosting service for Dropshare on the Mac and iOS made by the Dropshare Team.
Instead of using one of the supported file hosting services like Amazon S3, Rackspace Cloud Files, Backblaze B2 (or any other) you can opt-in to subscribe to one of the Dropshare Cloud plans offered.
When choosing Dropshare Cloud, no license for Dropshare on the Mac or iOS is required