
Dropbox integrates with Microsoft, Zoom, Slack and Google and a number of other applications. Other features include file version history, shared folders and links, file transfer, watermarking, comments and annotations, notifications, file encryption, and a host of other features that enable teams to work virtually and seamlessly. The service allows users to create a folder on their desktop, laptop, phone or other internet-connected device and sync this with its cloud-based storage. Amazon Prime members receive unlimited storage for photos. Amazon cloud storage is geared toward consumers. Dropbox gives 2 gigabytes of free space to all users which is sufficient if you want to sync only a few folders between multiple computers.Its first tier of paid services starts at $1.99 per month for 100 GB of storage. Every Google account comes with 15 GB of free storage.Box, its nearest competitor, has 70.6 million registered users and approximately 13.4 million paying customers.

Dropbox has more than 600 million registered users and 14.3 million paying subscribers.
