
1) Apple backup service 2) Cloud application 3) Digital storage service 4) Dropbox competitor
Found on
https://www.crosswordclues.com/clue/icloud

iCloud is a cloud storage and cloud computing service from Apple Inc. launched on October 12, 2011. {As of|2013|7|df=US}, the service has 320 million users. The service allows users to store data such as music and iOS applications on remote computer servers for download to multiple devices such as iOS-based devices running iOS 5 or later, and pers...
Found on
http://en.wikipedia.org/wiki/ICloud
No exact match found.