Price Comparison: Unlimited Online Backup Plans

Which unlimited online backup service is cheapest?

Our editors independently research, test, and recommend the best products; you can learn more about our review process here. We may receive commissions on purchases made from our chosen links.

Unlimited online backup plans let you back up as much as you want—250 GB, 1 TB, 50 TB, etc.—making them perfect options for you data hoarders out there.

Below are monthly calculated prices for all available unlimited plans from popular online backup services, assuming you prepay for the designated time frame.

Hand holding cloud cutout up to sky
Raw Pixel / Pixabay

Please let me know if you catch a price change before me and I'll update the table. See my Online Backup FAQ for other questions.

Unlimited Online Backup Price Comparison

Compare Online Backup Prices
Company Plan 4 Yrs 3 Yrs 2 Yrs 1 Yr M2M
Backblaze1   x x $4.58 $5.00 $6.00
Carbonite Basic2 x $5.40 $5.70 $6.00 x
  Plus3 x $8.40 $8.87 $9.34 x
  Prime4 x $11.25 $11.87 $12.50 x
Livedrive Backup5 x x x $7.00 $8.00
  Pro Suite5 x x x $20.00 $25.00
OpenDrive Personal Unlimited6 x x x $8.25 $9.95
  Business Unlimited7 x x x $24.92 $29.95

All prices are in USD and calculated per month and for a single computer. M2M means month-to-month. Any x means that the listed unlimited online backup plan isn't offered in the term length listed.

[1] Backblaze costs are as follows: $110 for 2 years ($4.58x24) or $60 for 1 year ($5.00x12).

[2] Carbonite Basic costs $194.37 for 3 years ($5.40x36), $136.78 for 2 years ($5.70x24), or $71.99 per year ($6.00x12).

[3] Carbonite Plus costs $302.37 for 3 years ($8.40x36), $212.78 for 2 years ($8.87x24), or $111.99 per year ($9.34x12), and offers both external hard drive and mirror image backup support in addition to the features available in Carbonite Basic.

[4] Carbonite Prime $404.97 for 3 years ($11.25x36), $284.98 for 2 years ($11.87x24), or $149.99 per year ($12.50x12), and offers courier recovery service in addition to the features available in Carbonite Plus.

[5] Livedrive's Backup plan has a 1 year cost of $107.88 ($8.99x12). The Livedrive Pro Suite plan cost for 1 year is $300.00 ($25X12).

[6] OpenDrive Personal Unlimited costs $99 per year ($9.95x12).

[7] OpenDrive Business Unlimited is $299 per year ($29.95x12).