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+