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. 特雷索里特：
Tresorit 是 Tresorit 提供的云存储、文件同步和文件共享服务。它是最安全的云计算服务之一。它提供端到端的加密文件同步和文件共享服务。它由 Tresorit 于 2014 年推出。它提供 3 GB 的免费存储空间。它支持 Windows、macOS、iOS、Android、Windows Phone 和 Linux。 iCloud 和 Tresorit 的区别：
| S.No | ICLOUD | TRESORIT |
|---|---|---|
| 1 | It is developed and owned by Apple Incorporation. | It is developed and owned by Tresorit. |
| 2 | It was launched in 2011. | It was launched in 2014. |
| 3 | It offers 5 GB free storage space. | It offers 3 GB free storage space. |
| 4 | It does not have client-side encryption. | It has client-side encryption. |
| 5 | Maximum storage size is 2 TB here. | Maximum storage size is 1000 GB here. |
| 6 | It supports developer API. | It does not support developer API. |
| 7 | It does not support remote uploading. | It also does not support remote uploading. |
| 8 | Maximum file size is 50 GB here. | Maximum file size is 500 MB for free, 5 GB for premium and 10 GB for rest of paid plans. |
| 9 | It supports file versioning but partly. | It supports file versioning for paid plans only. |
| 10 | It has traffic or band-width limit of 200 GB or 400 GB or 600 GB per month. | It has no traffic or band-width limit. |