1. 云：
iCloud 是苹果公司提供的云存储和云计算服务。它允许用户将文档、照片和音乐等数据存储在远程服务器上，以便下载到 iOS、macOS 或 Windows 设备。它还能够与其他用户共享和发送数据。如果 Apple 设备丢失或被盗，管理它也很有帮助。它于2011年推出。
2.共享文件：
ShareFile 是 Citrix Systems 提供的文件同步服务、文件共享服务和基于云的文件存储服务。它是一种安全的内容协作，支持以文档为中心的任务。它提供基于云的存储、虚拟数据室和客户门户。它是由Jesse Lipson开发的。它适用于 Windows、macOS、iOS 和 Android。它不提供免费存储空间。它于2005年推出。
iCloud 和 ShareFile 的区别：
| ICLOUD | SHAREFILE |
|---|---|
| It is owned by Apple Incorporation. | It is owned by Citrix Systems. |
| It was launched in 2011. | It was launched in 2005. |
| It offers 5 GB free storage space. | It offers 30 days free trial with maximum storage size 10 GB. |
| It was developed by Apple Inc. | It was developed by Jesse Lipson. |
| It has the maximum storage size of 2 TB. | Maximum storage size is unlimited here. |
| It is a file hosting and cloud storage service. | It is a commercial file sharing and file synchronization service. |
| Maximum file size is 50 GB here. | Maximum file size is 10 GB to 100 GB according to plans. |
| It is used to store personal and professional data both. | It is used for storing small and large business related data. |
| It is generally designed for macOS and iOS. | It is supported by Windows, OS X, Android and iOS. |