The verdict
It's a dead heat.
Neither pulls ahead on the published figures, so the decision is in the details this comparison cannot see. Check the current figures on both pages.
Choose Backblaze if…
- • You want Backblaze's edge on how long old versions are kept
Choose Carbonite if…
- • You want Carbonite's edge on what it costs per year
Round by round
- Round 1What it costs per yearCarbonite wins
Carbonite wins this round on what the company itself publishes.
- Round 2How long old versions are keptBackblaze winsBackblaze8/10
1 year (free option)
deleted/old versions kept; 30 days default, 1 year free
Source: backblaze.com ↗
Carbonite5/1030 days
deleted files kept
- 30 days, against 1 year (free option)
Source: support.carbonite.com ↗
Backblaze wins this round on what the company itself publishes.
- Round 3How much cloud storage you getTie
Nothing to separate them here.
- Round 4How many computers it coversTie
Nothing to separate them here.
- Round 5Whether only you hold the keyTieCarbonite7/10
Private encryption key
self-managed key (windows, at install)
Source: support.carbonite.com ↗
Nothing to separate them here.
- Round 6How long you can try it freeTie
Nothing to separate them here.

