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.云我：
CloudMe 是 CloudMe AB 提供的文件存储服务。它提供文件同步、云存储和客户端软件。它由Daniel Arthursson于 2011 年创立。最初它被命名为 iCloud，但后来 Apple 收购了这个名字。它提供 3 GB 的免费存储空间。它为高级帐户提供有限的存储空间。它最大的竞争对手是 Dropbox。
iCloud 和 CloudMe 的区别：
| ICLOUD | CLOUDME |
|---|---|
| It is owned by Apple Incorporation. | It is owned by CloudMe AB. |
| It was launched in October 2011. | It was launched in April 2011. |
| It was developed by Apple. | It was developed by Daniel Arthursson. |
| It offers 5 GB free storage space. | It offers 3 GB free storage space. |
| It provides 2 TB maximum storage space for paid. | Maximum storage size is 500 GB for paid here. |
| It partially supports file versioning. | It supports file versioning but rarely. |
| It is mostly used by Apple product users. | It is used by users using any type of product. |
| Maximum file size in iCloud is 50 GB. | Here maximum file size is 150 MB for free and unlimited for premium accounts. |
| It has bandwidth limit of 200 GB or 400 GB or 600 GB per month. | It has no such limit. |
| It charges comparatively more for additional storage that means it is more costly. | It charges less for additional storage that means it is less costly. |