- Google Drive Start uploading your files to Google Drive with 15 GB of free storage. Among its features is the integration with Google Docs, Gmail, and Google+, which makes it one of the most useful apps for college students. You may also back up files from your computer or mobile device.
Dropbox integrates into your computer's operating system and creates a folder with the same name. When you place a file in this folder, it is automatically uploaded to the cloud server.