Cloud storage pricing looks simple and isn't. The headline number — dollars per month for a given capacity — is the least useful figure in the comparison, because the services bundle different things, share quota differently, and charge in ways that make the same nominal price mean different amounts of usable storage.
Here's how to work out what you're actually paying for, with a method that stays accurate even as the prices themselves change.
Calculate cost per terabyte per year
Convert every plan to the same unit before comparing anything:
(monthly price × 12) ÷ terabytes = annual cost per TBA plan at $10/month for 2TB is $60/TB/year. A plan at $3/month for 200GB is $180/TB/year. The second looks cheaper and costs three times as much per unit.
This single calculation reorders most comparison tables, because the small tiers are always dramatically worse value per unit than the large ones. That's deliberate pricing design, and it means the right question is usually not "which service is cheapest" but "am I on the right tier."
Do the same for annual plans, which typically discount by a couple of months' worth. Only take the annual plan once you're confident you're staying — refunds on prepaid storage are rarely generous.
The four variables that change the real price
1. Is the quota shared with email and photos?
Some services pool storage across files, mail, and photos. If your mailbox is consuming a meaningful share, you're not getting the capacity you paid for — and worse, hitting the pooled limit can stop email delivery.
Adjust your comparison: if a quarter of a shared quota is going to mail you'd have anyway, the effective cost per TB of file storage is a third higher than advertised.
2. What's bundled?
Higher tiers increasingly include things you might otherwise buy separately — office applications, VPN services, password managers, premium features in the provider's other products, extra family members.
If you'd pay for any of those anyway, subtract their standalone cost before comparing. This frequently makes a nominally expensive plan the cheapest option. If you wouldn't use them, ignore them entirely; bundled value you don't consume is worth nothing.
3. Individual or family?
Family or household plans are almost always better per person, sometimes dramatically. Two people paying for individual plans are usually both overpaying.
Check two details: whether the plan gives each person a private allocation or one shared pool, and any residency requirement. Shared pools cause household arguments about whose video library is eating the space.
4. Do native documents count?
Where a service exempts documents created in its own formats from the quota, heavy document users get meaningfully more effective capacity than the number suggests. This has been treated differently at different times by different providers, so verify rather than assume.
The cost curve, and where the jumps are
Across essentially every provider, the shape is the same:
Free tier — a few gigabytes. Enough for documents, nowhere near enough for photos. Free tiers exist to make upgrading feel necessary, and they succeed.
Entry paid tier — a small allocation for a token monthly price. Terrible value per terabyte, but it's the tier most people land on because it solves the immediate problem for the price of a coffee. If you're here and using most of it, do the per-TB maths before renewing.
Mid tier — a few hundred gigabytes to a terabyte or two. This is where value per terabyte improves sharply, and where most households and solo businesses should be.
Family or premium tier — multiple terabytes, multiple people, bundles. Best value per terabyte and per person, provided you actually use the capacity or the bundle.
Business tiers — priced per user, often with additional features rather than just more space. Compare on a per-user basis and account for the administrative features, which are frequently the actual reason to be there.
The practical implication: the entry paid tier is a trap for anyone whose data is growing. If you upgraded to it more than a year ago and you're near the limit again, jumping straight to the mid tier is usually cheaper per unit than the next small step.
Cheaper alternatives worth knowing about
The mainstream consumer services aren't the only option, and for certain purposes they're not the best value.
Cold and archival storage — object storage services aimed at developers, priced per gigabyte per month at a small fraction of consumer rates. The catch is that they're not designed for browsing, they often charge for retrieval and data transfer out, and they require more technical setup. Excellent for a large archive you rarely touch, poor for daily working files.
Cloud backup services — a different product category, often offering unlimited or very high capacity for one machine at a flat rate. Priced attractively because they're designed for backup patterns (write a lot, read rarely) rather than sync. If your need is "protect my computer" rather than "access files everywhere," these are usually better value than storage plans.
A network drive at home — a one-time hardware cost instead of a subscription, with no ongoing fee. Break-even against a mid-tier subscription typically arrives in a couple of years. The trade-offs are real: you're responsible for failures, it's in your house so it doesn't survive a fire, and remote access takes setup. It's a complement to cloud storage more often than a replacement.
A second free account for a specific, well-defined pile. Legitimate but fiddly, and it fails as a general strategy because you stop remembering what's where.
The costs that aren't the subscription
Exit costs. Moving providers takes time, breaks shared links, and loses version history. This is real friction and it's why providers don't need to compete hard on price for existing customers. Factor it in when choosing initially, not when leaving.
Bandwidth. If you're on a metered or capped connection, the initial upload of a large library and any subsequent full restore have a real cost.
The cost of running out. Hitting the limit can stop backups, stop syncing, and in some cases stop email. The disruption cost of being marginally under-provisioned usually exceeds the price of the next tier.
Egress fees. Consumer services generally don't charge to download your data. Object storage services often do, and it can be substantial for large restores. Check before you archive terabytes somewhere cheap.
How to work out what tier you need
- Check your current usage across every service you're paying for.
- Estimate growth. Look at your usage twelve months ago versus now. Whatever that rate is, it's unlikely to slow.
- Subtract what shouldn't be there. Archives, old device backups, duplicates. Cleaning first often removes the need for an upgrade entirely.
- Add headroom. Aim to sit at around 60–70% of your tier. Running at 95% means upgrading again within months and living with sync failures in the meantime.
- Compare the per-TB cost of your current tier against the next one up. The jump is frequently better value than the step.
The comparison table to build yourself
Because pricing changes constantly, the useful thing isn't a table of today's prices — it's the columns:
Service | Plan | Monthly | Annual | Capacity | $/TB/yr |
Shared with email? | Family plan? | People | What's bundled |
Deleted-file retention | Version historyFill it in from each provider's own pricing page on the day you're deciding. Ten minutes, and it's accurate, which no published comparison is for long.
The last two columns are the ones nobody includes and everyone should: retention windows are the difference between recovering a file you deleted last month and not, and they vary more between services than the prices do.
Cloud storage pricing, tiers, and bundle contents change frequently. Every figure above is a method rather than a quote — verify current pricing directly with each provider before deciding.
Next in this series: Using Cloud Storage on a Slow or Limited Internet Connection