We know that most people are staunchly team Apple or team PC. Cloud storage, regardless the type, should let you have the freedom to access and import the data you want from wherever you are, using whatever device you choose. Some of the contenders we considered didn’t offer services to Windows and OS X, Android and iOS -- if that was the case, we put them on the chopping block.
File sharing and syncing features are the foundation of a cloud storage service. You’ll more than likely going to use them first because syncing will get your files to the cloud while sharing files will help you, well, share them with others. Most of the services use the common model of sync developed by Dropbox in 2007. Read more about it in our Dropbox review.