A comparison of Skydrive, Dropbox, Google Drive and Amazon S3


Client Support

Skydrive Dropbox Google Drive Amazon S3
Windows Yes Yes Yes No
Android Yes* Yes Yes No
iPhone (iOS) Yes Yes Yes No
Windows Phone Yes No No No
Web Yes Yes Yes Yes
Linux No Yes Planned No
MacOS Yes Yes Yes No

Client Features

Skydrive Dropbox Google Drive Amazon S3
Specify folder location on client install Yes Yes No n\a
Client Bandwidth limit support No Yes No n\a
Client shows sync upload/download rate Yes Yes No n\a
Client shows number of files left to sync Yes Yes Yes n\a
Tray Icon animation activity obvious Yes Yes No n\a
Able to pause sync No Yes Yes n\a
Client displays storage usage No Yes Yes n\a
Sharing files between accounts Web only Web Only Web only Web only
Photo web interface Shows thumbnails Just file lists Just file lists Just file lists
Folder upload via web interface Files only Files only Files or Folders Files only
LAN Sync (two clients on same LAN) No Yes No n\a
Works with Soft link directory (mklink /D) Yes Yes No n\a
Works with Soft junction directory (mklink /J) Yes Yes No n\a
Max file limit (GB) 2 size of quota (presumably same as Amazon S3) 10 5120
Previous versions No Yes No Yes
Undelete? Yes* Yes Yes Yes
Upload rate using windows client (MB/sec) 1.4 3.6 1.7 n\a
Download rate using windows client (MB/sec) 0.7 0.5 5.4 n\a
Upload rate using web browser (MB/sec) 0.9 0.4 1.7 5.1
Download rate using web browser (MB/sec) 0.6 2.4 5.7 6.5
Delta updates to files No Yes No No

Pricing

Skydrive Dropbox Google Drive Amazon S3
Free Storage tier 7GB or 25GB 2GB up to 18GB with invites 5GB 2GB for 1 year
Contract renewal Yearly Monthly Monthly Pay per GB of space and use. Charged monthly.
Cost for adding 25GB £6/year £19/year £25/year
Cost for adding 50GB £16/year £50/year
Cost for adding 100GB £32/year £79/year £36/year £100/year

* Modified on 29/12/2012

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