Difference between Tencent Weiyun and Ubuntu One

1. Tencent Weiyun :
Tencent Weiyun is a file hosting service and cloud storage which is provided by Tencent Holdings Limited. It is available in two languages English and Chinese. It is majorly used in countries like China. It was launched by Tencent Holdings Limited in 2012. It offers 10 GB free storage space. It offers limited storage space for paid. The maximum storage size is 2 TB here.

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 Tencent Weiyun and Ubuntu One :

TENCENT WEIYUN	UBUNTU ONE
It is owned by Tencent Holdings Limited.	It was owned by Canonical Limited.
It was launched in 2012.	It was launched in 2009.
It offers 10 GB free storage space.	It offered 5 GB free storage space.
It was developed by Tencent.	It was developed by Canonical Ltd.
Maximum storage size is 2 TB here.	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 1 GB for regular upload and 32 GB for power upload.	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 is used in China only.	While it was used world wide.
It has no traffic or band-width limit.	It has Amazon S3 limits as traffic or band-width limit.