The free tier that felt generous a few years ago probably isn't anymore. Phones shoot bigger RAWs, videos get longer, and work files bloat with every software update. Meanwhile, the big cloud providers have been quietly reshuffling prices, trimming free allowances, and adding features designed to pull you deeper into their ecosystems. Here's where things actually stand in 2026 — what each service offers, where it cuts corners, and which one fits your situation.

~25 MBtypical email attachment limit (context for why cloud storage matters)
3-2-1copies/media types/off-site locations in the standard backup rule

01 The Big Four: Ecosystem Clouds

Side-by-side service logos (Google Drive, OneDrive, iCloud, Dropbox, Proton Drive, Mega, pCloud)
Google Drive, OneDrive, iCloud, Dropbox, Proton Drive, Mega and pCloud logos compared

Google Drive / Google One remains the default for anyone already living in Gmail and Google Docs. The free tier gives you a fairly generous starting allowance shared across Drive, Gmail, and Google Photos — enough for light use, but not for long. Google's apps integration is genuinely excellent: you can open, edit, and collaborate on documents without downloading anything. The trade-off is privacy. Google's business model is built on knowing things about you, and while your Drive files aren't used for ad targeting in the same blunt way your search history is, Google can read everything you store unless you encrypt before uploading. If that doesn't bother you and you're already in the ecosystem, the paid tiers through Google One are competitive on price and bump you up to meaningful storage quickly.

Microsoft OneDrive is the Google Drive equivalent for Windows and Office users. It's baked so deeply into Windows 11 that many people are using it before they've made a conscious decision to do so — the Desktop, Documents, and Pictures folders back up to OneDrive by default unless you opt out during setup. For Microsoft 365 subscribers, OneDrive is effectively free at scale, which makes it excellent value if you're already paying for Word and Excel. For everyone else, the free tier is on the smaller side. Real-time co-authoring in Office apps is slick and genuinely useful; the mobile apps are solid; and OneDrive handles selective sync well, so you can keep your full archive in the cloud without filling a laptop's SSD. Privacy caveats mirror Google's: Microsoft can access your unencrypted files.

Apple iCloud Drive works beautifully if your life runs on Apple hardware and falls apart if it doesn't. Syncing photos, messages, device backups, and documents across an iPhone, iPad, and Mac is nearly frictionless — the kind of thing that just works. The free tier is modest, and given how much of iCloud's storage budget Apple's own device backups consume, most users end up needing a paid plan fairly quickly. Sharing with non-Apple users is possible but clumsy; the web interface is functional rather than great. For a single-platform Apple household, it's hard to beat for convenience. For anyone mixing platforms, look elsewhere.

Dropbox was the service that taught the world what sync meant, and its core functionality — reliable, fast folder sync across every platform — is still excellent. The free tier has shrunk considerably over the years and is now quite limited: fine for testing the service, not for real use. Paid plans are more expensive than the competition, which is a persistent complaint, though Dropbox Paper (collaborative docs) and smart sync features help justify the cost for teams. Dropbox has end-to-end encryption on some business tiers but not by default on personal plans — your files are encrypted at rest and in transit, but Dropbox holds the keys. If you're paying the premium, you're mostly paying for polish and reliability, which some people and teams genuinely value.

02 The Privacy-First Alternatives

Proton Drive comes from the same Swiss company that built ProtonMail and Proton VPN, and it takes a zero-knowledge approach: files are end-to-end encrypted before they leave your device, meaning Proton cannot read them, preview them, or hand them to anyone who comes asking. The free tier is modest but usable; paid plans via Proton's bundled subscription are reasonable, especially if you want the full suite including encrypted email and VPN. The apps have matured significantly and sync is now solid on Windows, Mac, iOS, and Android. The main cost is convenience: because Proton can't see your files, server-side features like full-text search and web-based editing don't work the way they do on Google Drive. If privacy is a priority — for sensitive work documents, legal files, or simply on principle — Proton Drive is the most credible mainstream option.

Mega is a New Zealand-based service with a long history and a headline-grabbing free tier: it offers substantially more free storage than almost any competitor, which is why it keeps appearing on comparison lists. Files are end-to-end encrypted by default. The caveat is that Mega's free tier throttles transfer speeds and bandwidth aggressively once you hit limits, and the service has had a complicated corporate history since its founding by Kim Dotcom — he has been uninvolved for years, but the association lingers in some people's minds. Paid plans are affordable and the encryption is genuine. Worth considering if free-tier size matters and you're comfortable with a smaller provider.

pCloud is a Swiss-headquartered service with an unusual pricing model: it offers lifetime plans (a one-time payment for permanent storage) alongside conventional monthly and annual subscriptions. That makes it interesting for people who think in terms of total cost of ownership rather than monthly outgoings. End-to-end encryption is available but costs extra — it's an add-on called pCloud Encryption rather than a default. Without it, pCloud encrypts at rest and in transit, but holds the keys. With it, you get zero-knowledge storage. The apps are clean, and the client-side selective sync is well implemented.

03 Buying vs. Renting: The Ownership Question

Google Drive15 GBMEGA20 GBpCloud10 GBiCloud5 GBOneDrive5 GBSync.com5 GBProton Drive3 GBDropbox2 GB
Free-tier storage, by service (GB). MEGA and Google Drive lead; Dropbox's free allowance is now the tightest of the mainstream clouds. Figures are the generally-published free tiers and can shift.

Google Drive

Cloud
Free tier
~15 GB (shared w/ Gmail)
Max file
very large
Encryption
Standard
Price
a few $/mo for more
Best for everyday sharing in the Google world
Visit Google Drive

Dropbox

Cloud
Free tier
~2 GB
Max file
very large
Encryption
Standard
Price
~$10/mo tiers
Best for reliable sync + sharing
Visit Dropbox

iCloud Drive

Cloud
Free tier
5 GB
Max file
large
Encryption
Standard
Price
cheap tiers
Best for Apple devices
Visit iCloud Drive

OneDrive

Cloud
Free tier
5 GB
Max file
large
Encryption
Standard
Price
bundled with Microsoft 365
Best for Windows + Office users
Visit OneDrive

Proton Drive

Cloud
Free tier
a few GB
Max file
large
Encryption
End-to-end
Price
privacy-plan pricing
Best for privacy-first storage & sharing
Visit Proton Drive

MEGA

Cloud
Free tier
~20 GB
Max file
very large
Encryption
End-to-end
Price
mid tiers
Best for big free tier + encryption
Visit MEGA

pCloud

Cloud
Free tier
~10 GB
Max file
very large
Encryption
Standard
Price
lifetime plans
Best for one-time-purchase storage
Visit pCloud

Sync.com

Cloud
Free tier
~5 GB
Max file
large
Encryption
End-to-end
Price
mid tiers
Best for zero-knowledge Dropbox alternative
Visit Sync.com

WeTransfer

Transfer
Free tier
up to 2 GB / transfer
Max file
2 GB free (more paid)
Encryption
Standard
Price
Pro for big + storage
Best for one-off big sends, no account
Visit WeTransfer

Tresorit Send

Transfer
Free tier
up to ~5 GB
Max file
large
Encryption
End-to-end
Price
part of Tresorit
Best for encrypted one-off transfers
Visit Tresorit Send

Nextcloud

Self-host
Free tier
your hardware
Max file
your disk
Encryption
Standard
Price
free software
Best for owning your storage
Visit Nextcloud
Photo of a Synology or QNAP NAS unit on a home-office shelf
A Synology or QNAP NAS on a home-office shelf can run a self-hosted Nextcloud instance

Every service above is, in the end, a landlord relationship. You're paying to store your files on someone else's hardware, subject to their terms, their prices, and their continued existence as a company. That's fine for most people most of the time — the convenience is real and the pricing is reasonable — but it's worth understanding what you're signing up for.

The alternative is self-hosting. A NAS (network-attached storage) device — from makers like Synology or QNAP — sits on your home network with two, four, or more drives inside. Run Nextcloud on it and you have a private cloud: file sync, share links, calendar, contacts, and photo backup, all on hardware you own, in a location you control. A mid-range two-bay NAS plus drives costs a few hundred dollars upfront, with no monthly fee beyond electricity. The trade-offs are real: you're responsible for updates, backups, and the fact that your house is not a data centre (power cuts, floods, and theft are possibilities a cloud provider handles for you). But for photographers with large archives, freelancers with sensitive client files, or anyone who simply values control, it's a serious option rather than a hobbyist curiosity.

Every cloud service is, in the end, a landlord relationship.

A middle path is renting a VPS (a virtual private server) and running Nextcloud there. It keeps your data off the big platforms while giving you proper off-site storage — and a small VPS costs a few dollars a month. You need to be comfortable with a little server administration, but the Nextcloud community and documentation make it far less daunting than it once was.

04 How to Actually Choose

Start with your real constraints. If you're deep in Google Workspace at work, Google Drive wins on integration, and the privacy trade-off is one you've arguably already made. If you use Microsoft 365, OneDrive is almost certainly the right answer just on economics. If you're on Apple devices exclusively, iCloud makes the most sense for photos and device backup, even if you supplement it with something else for documents you'd rather not share with Cupertino.

If privacy matters — genuinely, not just rhetorically — Proton Drive is the clearest recommendation: real zero-knowledge encryption, reputable company, apps that now work well, and a business model that doesn't depend on reading your data.

If the free-tier size is the deciding factor, Mega is hard to beat on gigabytes-per-dollar-of-zero.

If you take a lot of photos, handle large files regularly, or have already mentally committed to owning your data rather than renting its storage, price out a NAS. The upfront cost pays off faster than it looks.

Whatever you choose, don't rely on any single service as your only copy. Sync is not backup. A cloud folder that mirrors deletions instantly — which is what Dropbox, Drive, and OneDrive all do by default — will happily replicate an accidental deletion or a ransomware attack across every device you own. The 3-2-1 rule applies regardless of how good your cloud provider is: three copies, on two kinds of media, with one stored somewhere genuinely separate. The cloud counts as one of those copies. Make sure you have the others.

Jargon, decoded — 13 terms
TermWhat it means
cloud storagefiles kept on a provider's servers and reachable from any device
synckeeping a folder identical across devices by mirroring changes through the cloud
backupa separate copy kept for recovery; not the same as sync
free tierthe no-cost storage allowance a service gives before you pay
end-to-end encryption (E2E)only sender and recipient can read the data; not the service
zero-knowledgeprovider stores only encrypted data it cannot read or hand over
encryption at restdata is scrambled while sitting on the provider's disks
selective syncchoosing which cloud folders download locally to save disk space
NASnetwork-attached storage; an always-on box of drives on your home network
self-hostingrunning software on your own hardware so you hold the keys
VPSrented virtual server; a cheap way to self-host your own cloud
3-2-1 rulethree copies, on two kinds of media, with one stored off-site
redundancy (RAID)spreading data across drives so one failure doesn't lose everything

Named in this guide

Proton

Swiss privacy company behind ProtonMail, Proton VPN, and Proton Drive

Mega

New Zealand-based cloud storage service; known for large free tier and E2E encryption

Kim Dotcom

Mega's founder; no longer involved with the company

pCloud

Swiss-headquartered cloud storage service offering lifetime storage plans

Synology / QNAP

major NAS hardware manufacturers

Nextcloud

open-source self-hosted cloud platform; runs on NAS or VPS