Difference between iCloud and Ubuntu One

1. iCloud : iCloud is a cloud storage and cloud computing service provided by Apple Incorporation. It allows users to store data such as documents, photos and music on remote servers for download to iOS, macOS or Windows devices. It also enables to share and send data to other users. It is also helpful to manage the Apple devices if it is lost or stolen. It was launched in 2011. 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 iCloud and Ubuntu One :

ICLOUD	UBUNTU ONE
It is owned by Apple Incorporation.	It was owned by Canonical Limited.
It was launched in 2011.	It was launched in 2009.
It offers 5 GB free storage space.	It also offered 5 GB free storage space.
It was developed by Apple.	It was developed by Canonical Ltd.
It has the maximum storage size of 2 TB.	Maximum storage size was unlimited here.
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 50 GB here.	Maximum file size was 5 GB per file.
It is a file hosting and cloud storage service.	It was a commercial file synchronization service.
It has traffic or band-width limit of 200 or 400 or 600 GB per month.	It has Amazon S3 limits as traffic or band-width limit.
It is generally designed for macOS and iOS.	It supported Windows, OS X, iOS, Ubuntu and Android.