In comparison, iCloud only gives you 5GB of free storage -- 50GB of additional storage space costs $100/year. This offer from Box.net gives you a lot more storage space for music, TV shows, files, photos and whatever else you may want to put in the cloud. Past versions of the app have between 3-5 stars.
To take advantage of this deal, download the free Box.net app from the iTunes store. Register or sign in to your account, and the 50GB of free storage will be added to your account. The free 50GB offer is running until December 2, 2011.