A photo backup (known as camera upload) and photo viewer by Dropbox
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Pro Easy to use
You can use Dropbox via website, by installing a desktop client that creates a folder that you simply drag and drop files into, or with their mobile app. Everything synchronizes across all devices used and cloud storage. And Dropbox offers easy methods of sharing whatever is within it.
Pro Up to 18GB of free storage space
Dropbox personal accounts start out free, with 2GB of space, but users can get extra space by recommending the site to friends, or taking part in events like "Dropquest", where users can win extra space by solving puzzles.
Con Not a lot of free space
While it's possible to get up to 18GB of free space by jumping through a few hoops, the basic plan starts at just 2GB of free storage.
Con No native desktop app
While Dropbox works across a wide variety of devices, Carousel has native apps only for iOS and Android devices.