1. Copy

Copy is one of the lesser-known cloud storage apps that can be used on both desktops and Android devices. It offers 15GB of storage for you to store your files, documents, videos, etc. The app has a number of features you would not normally see in other cloud storage apps. For instance, it lets you easily copy your photos and videos over to your cloud without having you mess with complex things. With PhotoCopy, you can upload your photos to cloud as soon as you capture them. Quick and safe, huh?

2. Cubby

Cubby is one of those apps that cares a lot about the security of your content. With the Android app of Cubby, you can do a lot more than just upload and download files. The app lets you have unlimited revisions of your documents and share public links for your folders so your friends can access your files. It shows you your most recent documents when you open the app so you can resume from where you last left off. Besides the 5GB free storage, you get to play around with some of the great tools to manipulate your files.

3. SpiderOak

Have you ever heard about the “zero-knowledge” privacy? It’s the policy that SpiderOak runs by. What it means is your data will always transfer in encrypted mode, thus preventing any kind of content theft. The app lets you upload files to your 2GB lifetime storage and provides you with tools to play around with them. It even lets you create share links for individual files in case you do not want to share an entire folder. SpiderOak is available for various desktop OS as well.

4. Bitcasa

Bitcasa offers 20GB storage for free users and has an Android app integrated with some great features. The app lets you upload your videos in HD format and then stream them online, so you don’t have to download your content again in order to watch it. The viewer shows you your documents, and anything marked as favorite will be saved on your device for offline access. It integrates with the “Share” menu on your device. So whenever you have something worth uploading, just hit “Share” followed by Bitcasa, and it will instantly be uploaded to your cloud.

5. SurDoc

SurDoc for Android comes to the rescue of those users who always complain about the low storage they get with their cloud storage. With SurDoc you get 100GB of storage that helps you upload all of your files (even junk ones) to cloud without ever running out of storage. It claims to offer the best viewer for you to be able to view your files, such as a Word document.

6. Ubuntu One Files

Ubuntu users will be very familiar with this, as this is essentially the same cloud storage service you have on your Ubuntu desktop. Ubuntu One Files is one of the most reliable cloud storage services you can ever choose. It provides 5GB of free storage for storing your files and provides a suite of tools to work with them. The instant upload feature of the app lets you upload your pictures as soon as you capture them. There is no need to worry about getting them deleted.