Difference between Dropbox and Ubuntu One

1. Dropbox :
Dropbox is a file hosting service provided by the American company Dropbox Incorporation. It offers cloud storage, file synchronization, personal cloud and client software. It was founded in 2007. Dropbox was developed by two MIT students Drew Houston and Arash Ferdowsi. It offers only 2 GB free storage space. It is one of the earliest cloud storage services.

2. Ubuntu One :
Ubuntu One was a file hosting service, file synchronization service and cloud service which was provided by Canonical Limited. It was an OpenID based single sign-on service. It provided services for storing files on cloud and also streaming of music from cloud. It was developed by Canonical Ltd. It was suitable for Windows, OS X, iOS, Ubuntu and Android. It offered 5 GB free storage space. It was launched in 2009.



Difference between Dropbox and Ubuntu One :

DROPBOX UBUNTU ONE
It is owned by Dropbox Incorporation. It was owned by Canonical Limited.
It was launched in 2007. It was launched in 2009.
It offers 2 GB free storage space. It offered 5 GB free storage space.
It was developed by Drew Houston and Arash Ferdowsi. It was developed by Canonical Ltd.
It has the unlimited maximum storage size. Maximum storage size was unlimited here also.
It is still in use. This service was suspended in 2014.
Files stored here are encrypted. Files stored in Ubuntu One were not encrypted.
Maximum file size is 10 GB and unlimited using client application. Maximum file size was 5 GB per file.
It is a file hosting, file synchronization and cloud storage service. It was a commercial file synchronization service.
It has traffic or band-width limit of 20 GB per day for free and 200 GB per day for paid. It has Amazon S3 limits as traffic or band-width limit.
It supports Windows, OS X, Linux, iOS, Android and Blackberry. It supported Windows, OS X, iOS, Ubuntu and Android.
It shares files through web applications. While it shared files through links.
It uses block-syncing to update changes quickly. It did not use block-syncing to update changes quickly.
It provides additional 500 MB free storage space for referral up to 18 GB. It did not have referral system for gaining free additional storage space.

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