FTP is the standard protocol user to transfer files from client-server to a computer network and it is the most traditional way of storing files online and accessing data remotely with the access of the internet, it’s one of the ways that inspired cloud storage technology. A standard login procedure can be created to login to the FTP.
Google Drive is the easy to access app from a web browser, as its suite of apps like Google sheets, docs, and PowerPoints enabled not only accessing the files stored in the cloud but also can make changes instantly, this feature has been adopted by a large number of computer professionals worldwide.
Google Drive Offers great collaborative features like file sharing, co-editing, presence indication, document versioning, live chat while working on the docs or sheets. Google Drive is one of the major features offered in the G Suite for business.
If you are also planning to migrate to Google Drive, please refer to this Dropbox to GoogleDrive migration guide.