It seems as though for the past couple years, cloud computing has been a popular buzzword on the internet. Not just in techie circles any more, the basic concept of cloud computing is gaining in popularity with the general public. For those of you who aren't quite sure what cloud computing is, the basic idea is pretty simple: Cloud storage lets people store their data, like photos, videos, and documents online in the "cloud." The users can then sync their files across multiple devices like computers, smartphones, and tablets, rather than have files stored only on a single device. This sytem can be very convenient in the event your device is damaged or stolen. You won't lose any important files because they're all backed up on the cloud.

Let's take a look at some of the most popular and innovative cloud storage apps that you can use to back up your files online for free.

Cloud Storage Apps For Android: 6 Top Apps Reviewed
Credit: Al Rubio


DropBox is probably the most popular online storage app on this list. Dropbox is free for up to 2GB of space. It's very simple to sync files across several devices using DropBox. It also allows groups of users to share files with each other very easily. To back up files on yoour desktop computer, you must choose one folder that gets synced automatically. This makes your options somewhat limited but also very simple. Dropbox is a great free service for those essential files that you might need access to at any time.

Google Drive

Google Drive is Google's answer to online storage of your important files. Google Drive lets users store up to 5Gb of data in a free account that can be used across multiple devices. This is similar to DropBox in that a syncs a single folder on your computer to the cloud. What sets it apart is the fact that it can open about 30 different types of files from inside your bowser. For example, it can open Adobe PhotoShop files, even if you don't have PhotoShop installed. Google Drive also has Optical Character Recognition capabilities. If you upload images that contain text, Google will scan the text and make your images searchable.


The Mozy app is designed specifically to let users easily sync files, rather than being strictly just a storge solution. Mozy was designed mainly as an online backup system for office computers, but the handy app lets users access their backup from mobile devices.  This makes it really easy to use your moblie device to access any file you have backed up on your computer.


Box will give you 10GB of storage space with a file size limit of 250MB. You will need a free account from This is a great storage solution for those of you wth limited space on your smartphone or tablet. Just store your excess files in the servers and keep more free space available on your mobile device.


ShareFile has been getting popular as a file sharing service and cloud storage solution for businesses. It just so happens that the mobile app can be very useful to us average folks as well.  ShareFile is known for their good security and business-class cloud storage. It's an easy way to store and organize your files, then access them using any of your devices.


This is a niche storage solution designed to let users store and organize their photos. SugarSync comes with 5GB of space for your data. It lets users store photos on their home computer and then access the photos on a mobile device whenever they need to. If you have lots of photos on your computer, and your constantly adding more, this handy tool is a must have.

So, there you have it. Those are of some of the more popular Android apps that you can use to back up your files for free. Did I leave out any good cloud storage apps? If you know of a good file storage app for Android, please let us know in the comments.