SpiderOak pricing (2026): plans, costs and is it worth it?
Let's put real numbers on SpiderOak and what each plan gets you. A cloud backup tool, SpiderOak comes with paid plans only. The paid plans below reflect its published pricing when this page was written.
A pioneer of 'No Knowledge' zero-knowledge backup where everything is encrypted on-device first. SpiderOak is a paid tool, so plan to buy in once you have validated fit. Long-standing zero-knowledge (No Knowledge) backup and sync where files are encrypted on-device before upload.
Plans & pricing tiers
| Plan | Price (approx.) | What's included |
|---|---|---|
| One Backup 150GB | ~$6/mo | entry tier |
| One Backup 400GB | mid tier | more storage |
| One Backup 5TB | ~$29/mo | top consumer tier |
Pricing here reflects published tiers at the time of writing; confirm current costs, billing cycle and local taxes with the vendor.
Prices verified 2026-06-28 from public vendor pricing. Plans and prices change — always confirm on the vendor's own site. No price here is guaranteed.
What you're paying for
What the paid plans put in your hands with SpiderOak:
- 'No Knowledge' (zero-knowledge) encryption: files encrypted on-device before upload
- 2048-bit RSA and 256-bit AES encryption
- Backup, sync and share in one client
- Unlimited devices on all plans
- Historical file versioning
Not every feature ships on every plan; the tier table shows where each one unlocks.
Which plan to pick
SpiderOak is built for privacy-first users wanting zero-knowledge backup across unlimited devices, who can tolerate slower speeds. For that profile the One Backup 150GB plan (~$6/mo) is the sensible entry, and you climb tiers only once privacy demands it.
Is SpiderOak worth it?
Paid access starts at roughly $6 per month. Most buyers focused on zero-knowledge-backup land on the entry or mid tier; the jump to a higher plan tends to be about privacy rather than core features. If money is tight, weigh the entry tier against rival tools before you commit.
Pricing watch-outs
- Every plan supports unlimited devices.
Drawn from independent reviews and the vendor's own plan details (see sources below).
With SpiderOak, cost is driven more by the plan you choose than by raw usage, which makes budgeting simpler than with seat- or usage-metered tools.
Pricing FAQ
Does SpiderOak have a free plan?
SpiderOak is a paid tool without a standing free plan; check its site for any current trial or money-back window.
How much does SpiderOak cost?
Its cheapest paid plan, One Backup 150GB, lists at ~$6/mo. Paid access starts at roughly $6 per month. The exact bill depends on billing cycle and how many seats or how much usage you need.
Is there a cheaper alternative to SpiderOak?
Other cloud backup tools cover the same job at different price points; compare their entry tiers before you decide.
Is SpiderOak worth the price for zero-knowledge-backup?
For zero-knowledge-backup it generally earns its cost at the entry tier; if that's only a side need, weigh it against a cheaper specialist first.
Which SpiderOak plan should I choose?
Most readers in that situation start with the One Backup 150GB plan (~$6/mo); a higher tier pays off only when you run into privacy.
Sources
The SpiderOak plan, price and feature details above are compiled from these vendor pages and independent reviews: