Online Backup Service Comparison

Last Updated on November 2, 2009 (see the Kinook Software blog for more details).

Price and Details BackBlaze Carbonite CrashPlan Dropbox JungleDisk Memopal/
SafeCopy
MozyHome SpiderOak SugarSync Syncplicity
Free plan 15 days 14 days 30 days 2GB (h) 1GB/7 days 2GB 2GB 45 days 2GB
Annual cost 50GB $50 $49.95 $54.00 $119.88 $90 (a) $49 $54.45 $120 $99.99 $99
200GB $50 $49.95 $54.00   $360 (a) $99 $54.45 $240 $249.99 $396
Multiple computers     (i) X X X   X X X
Platforms Windows Win/Mac Win/Mac/Lin Win/Mac/Lin Win/Mac/Lin Win/Mac/Lin Win/Mac Win/Mac/Lin Win/Mac Windows
Support response 2 days 3 days 2 days 1 day 1 day 1 day 1 day 2 days 1 day 1 day
Essential Features
Strong encryption X X X X X (b) X X X (b) X X
Block-level updates X X X X X (g) X X (c) X    
Previous versions 30 days 30 days Unlimited Unlimited Configurable Unlimited 30 days Unlimited 5 X
Bandwidth throttling X X X X X X X     X
Large files 4GB 4GB (e) X X X X X X X 2GB
All file types X X (f) X X X X X X X X
Optional Features
Continuous backup X X X (d) X   X X X X X
Explorer integration ? X   ? X WebDAV X   ? ?
Web access   X (j) X X (g) X   X X X
File sharing       X X X   X X X
Multi-computer sync       X X     X X X
Detailed logging ?   X X X X X   ? ?

(a) => Plus bandwidth fees
(b) => Filenames also encrypted
(c) => Detects application changes to files instead of file differences
(d) => Requires CrashPlan+ ($60 one-time)
(e) => Each file larger than 4GB must be manually added to backup
(f) => Some extensions excluded and must be manually added
(g) => Requires JungleDisk Plus ($2/mo + usage fees)
(h) => Requires Amazon S3 account
(i) => Unlimited multi-computer and family plans available
(j) => Web restore available with CrashPlan+