Dropbox和Wuala之间的区别

1.投寄箱：
Dropbox是由美国公司Dropbox Incorporation提供的文件托管服务。它提供云存储，文件同步，个人云和客户端软件。它成立于2007年。Dropbox由两名麻省理工学院的学生Drew Houston和Arash Ferdowsi开发。它仅提供2 GB的可用存储空间。它是最早的云存储服务之一。

2. Wuala：
Wuala是文件同步服务，文件存储服务，文件版本控制服务和备份存储服务，最初由Caleido Incorporation提供，但后来由Seagate Technology拥有。它由Dominik Grolimund和Luzius Meisserin开发。它主要是使用Java开发的。它提供了5 GB的免费存储空间。它于2008年推出。

Dropbox和Wuala之间的区别：

DROPBOX	WUALA
It is owned by Dropbox Incorporation.	Originally owned by Caleido Incorporation but was later owned by Seagate Technology.
It was launched in 2007.	It was launched in 2008.
It offers 2 GB free storage space.	It offered 5 GB free storage space but later on it was made only paid-service.
It was developed by Drew Houston and Arash Ferdowsi.	It was developed by Dominik Grolimund and Luzius Meisserin.
It provides additional 500 MB free storage space for referral up to 18 GB.	Initially it had referral system but later on referral service was suspended.
It has the unlimited maximum storage size.	Maximum storage size offered was 2 TB here.
It partly supports file versioning.	It fully supported file versioning.
It does not provide ability to trade local disk storage space.	It provided ability to trade local disk storage space against cloud storage.
It is still in use.	This service was suspended in 2015.
It uses block-syncing to update changes quickly.	It did not use block-syncing to update changes quickly.
It shares files through web applications.	While it used to share files through links.