Cloud storage is where most of us keep our real digital lives now, yet people often pick a service by accident (whatever came with the phone) and overpay or lose privacy without realising. We compared the big five on the numbers that matter, and flag one dangerous misconception at the end.
The contenders and what they cost
| Service | Free tier | Paid (2026, ~) | Best for |
|---|---|---|---|
| Google Drive | 15 GB | 100 GB ~$2/mo, 2 TB ~$10/mo | Docs, sharing, Android |
| iCloud | 5 GB | 50 GB ~$1/mo, 2 TB ~$10/mo | Apple devices, photos |
| Microsoft OneDrive | 5 GB | 1 TB with Microsoft 365 ~$70/yr | Office users, Windows |
| Dropbox | 2 GB | 2 TB ~$12/mo | Fast sync, cross-platform teams |
| pCloud | Up to 10 GB | Lifetime plans; optional zero-knowledge | Privacy, one-time payment |
Price per terabyte, honestly
Once you need real space, the market clusters around 2 TB for roughly $10 a month (Google, iCloud, Dropbox). The value outlier is OneDrive: a Microsoft 365 subscription bundles 1 TB with the full Office suite for about $70 a year, which is hard to beat if you use Word and Excel anyway. If you dislike subscriptions entirely, pCloud’s lifetime plans are a genuine alternative.
Privacy: the part people skip
Most mainstream services can technically read your files (they hold the keys), which is fine for holiday photos and awkward for sensitive documents. If privacy is a priority, look for zero-knowledge (end-to-end) encryption, where only you hold the key. pCloud offers it as an add-on, and Proton Drive and Sync.com build their whole product around it. The trade-off is fewer collaboration features — the provider genuinely cannot help you if you lose the key.
The misconception that costs people their files
The most important thing in this article: cloud sync is not a backup. Services like Drive and Dropbox mirror your files — so if you (or ransomware) delete or corrupt a file, that deletion syncs everywhere within seconds. A real backup keeps independent, versioned copies you can roll back to. Use cloud storage for access and sharing, but keep a separate proper backup as well — the two jobs are different, and confusing them is how people lose years of photos.
Understanding what you are actually paying for
Consumer cloud storage is priced on capacity, which makes comparison look simple. The costs that surprise people sit elsewhere: retrieval fees on archival tiers, egress charges for moving data out, and per-request charges on object storage. A tier advertised at a very low monthly rate per terabyte often recovers the difference when you need the data back, which is precisely the moment you are least inclined to argue about it.
Before committing, work out the cost of a full restore, not just the cost of storage. If retrieving everything would cost more than a month of the service, that is worth knowing in advance rather than during an emergency.
Where your files physically live
Data stored in the cloud sits in a specific data centre in a specific country, subject to that country's law. For personal photographs this rarely matters. For business records, client information or anything covered by data protection regulation, the storage region can be a legal requirement rather than a preference.
Most serious providers let you choose a region at account or bucket level, and that choice is often difficult to change later without re-uploading. It is worth a moment's thought at setup.
Encryption: three different promises
Providers describe encryption in ways that sound equivalent but are not. Encryption in transit protects data moving between your device and the server, and is now standard. Encryption at rest means the stored files are encrypted on the provider's disks, which protects against someone physically removing a drive.
Neither prevents the provider from reading your files, because the provider holds the keys. The third option, end-to-end or zero-knowledge encryption, encrypts on your device with a key only you hold. That genuinely prevents provider access, and it carries a real consequence: if you lose the key or forget the passphrase, nobody can recover your data, including the provider. That trade is reasonable for sensitive material and unreasonable for a shared family photo library, and choosing deliberately is better than discovering the behaviour later.
The shared responsibility people miss
Providers protect the infrastructure. They replicate across machines, replace failing hardware and defend the platform. What they generally do not do is protect you from yourself. Files you delete are deleted, usually with a limited recovery window. Files corrupted on your device sync upward in their corrupted state.
This is why cloud storage on its own does not satisfy the off-site element of a backup strategy unless it is configured with versioning and retention. The storage is durable; the protection against your own mistakes is a separate feature that often has to be switched on.
Common questions
Is cloud storage the same as a backup?
No. Sync services mirror changes instantly, so a deletion or corruption spreads everywhere. A real backup keeps independent, versioned copies you can restore from.
What is the cheapest way to get 1 TB or more?
A Microsoft 365 subscription bundles 1 TB of OneDrive with Office for about $70/year. For 2 TB, Google, iCloud and Dropbox sit around $10/month.
Which cloud storage is most private?
Look for zero-knowledge encryption where only you hold the key — Proton Drive, Sync.com, or pCloud's encrypted add-on. Mainstream services can technically read your files.
How much free cloud storage can I get?
Google Drive offers 15 GB free, the most among the big services; iCloud and OneDrive give 5 GB, Dropbox 2 GB.