Dropbox (iOS | Android) is a free and extremely easy-to-use tool for sharing files, photos, and videos, and syncing them among your devices. You can also use Dropbox to back up files and access them from other computers and devices (including smartphones and tablets), with dedicated apps for each device you own.
Dropbox's interface is incredibly intuitive, which is part of what makes this app such an obvious choice for syncing files. When you install Dropbox on your iPhone or Android device, you'll have immediate access to your uploaded files. You can also access the folder from other computers … Read more