1. 保管箱：
Dropbox 是美国公司 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 是由两位麻省理工学院的学生Drew Houston和Arash Ferdowsi 开发的。它仅提供 2 GB 的免费存储空间。它是最早的云存储服务之一。
2. 谷歌云端硬盘：
Google Drive 是 Google 提供的文件存储和同步服务。它允许用户存储文件和个人数据并共享文件。它提供 15 GB 的免费存储空间。它由 Google 于 2012 年推出。几乎每个与互联网有关的人都在使用它。每个人都用它来存储一些专业和个人数据。
Dropbox 和 Google Drive 的区别：
| DROPBOX | GOOGLE DRIVE |
|---|---|
| It is owned by Dropbox Incorporation. | It is owned by Google LLC. |
| It was developed by Drew Houston and Arash Ferdowsi. | It was developed by Google. |
| It was launched in 2007. | It was launched in 2012. |
| It offers only 2 GB free storage space. | It offers 15 GB free storage space. |
| It charges an amount of $120 per year for 2 TB additional space. | It charges only $100 per year for 2 TB additional space. |
| It supports less number of file types. | It supports almost 30 types of different file formats. |
| It shares files through web applications. | While it shares files through links. |
| It is compatible with all operating systems like Windows, Mac, Linux, Android, iOS, Windows Phone, Kindle Fire, Blackberry etc. | It is compatible with some selected operating systems like Windows, Mac and Android. |
| It uses block-syncing to update changes quickly. | While it does not use block-syncing. |
| It syncs with Zoom. | While it syncs with Google Hangouts Meets. |
| It has the referral program for gaining additional storage. | While it does not have any referral program. |