1.亚马逊云端硬盘：
Amazon Drive是Amazon提供的文件托管服务和云存储。它允许云存储，文件托管，文件共享和文件备份。可以从台式机，移动设备和平板电脑等多种设备上传输此驱动器上的文件和文件夹。 Amazon Drive最初被称为Amazon Cloud Drive。它在世界范围内不可用。它在某些选定的国家/地区可用。它于2011年推出。
2. TitanFile：
TitanFile是TitanFile Incorporation提供的文件共享服务和云存储服务。它是可用的安全云计算服务之一。它主要用于加拿大和美国。它为专业人员提供了一种安全的方式来共享文件并与他们的客户进行通信。它是由TitanFile Incorporation在2011年推出的。它不提供免费的存储空间。
Amazon Drive和TitanFile之间的区别：
| AMAZON DRIVE | TITANFILE |
|---|---|
| It is owned by Amazon. | It is owned by TitanFile Incorporation. |
| It was launched in 2011. | It was also launched in 2011. |
| It was developed by Amazon. | It was developed by TitanFile Inc. |
| It offers 5 GB free storage space. | It does not offer free storage space. |
| It provides limited maximum storage space for paid. | It provides unlimited maximum storage space for paid. |
| It is used in all countries excluding Mexico and China. | While it is majorly used in Canada and United States. |
| It has the maximum storage size of 30 TB. | Maximum storage size is unlimited here. |
| There is no way to control permission to the invite link of file or folder. | It gives access to control the permission to the invite link of file or folder. |
| It does not support file versioning. | It supports file versioning. |
| It has Amazon S3 limit as traffic or band-width limit. | It has no traffic or band-width limit. |
| Maximum file size in Amazon Drive is 2 GB via Web and 50 GB via Drive application. | Here maximum file size is 100 MB for free, 1 GB for paid and 4 GB for professionals. |