Best Cloud Storage in 2026: End-to-End Encryption, Real Pricing, and Jurisdiction Compared

Six cloud-storage providers compared by published price, encryption posture (E2E by default vs. optional vs. server-side only), and operating jurisdiction: Proton Drive, pCloud, Sync.com, IDrive, MEGA, and Backblaze B2. Every claim links to the vendor's own page.

Quick answer
  • Proton Drive is the strongest privacy default — end-to-end encrypted by every plan including Free, Switzerland-based, and the client apps are open-source on GitHub. Drive Plus 200 GB is $3.99/mo annual.
  • pCloud Lifetime is the most aggressive long-term price — 2 TB for $399 one-time, 10 TB for $1,199 one-time. E2E is an add-on (pCloud Crypto), not the default.
  • Backblaze B2 is the price benchmark for API-first storage at $6/TB/mo. There is no managed E2E client — bring your own (rclone, Cyberduck, Arq).
Best privacy default: proton-drive
Methodology

We compared each provider's published pricing tiers, encryption documentation, and operating jurisdiction. Every numeric claim and every policy claim on this page links to the vendor's own page. We do not run our own upload-throughput tests, so we do not publish raw Mbps numbers — those vary by user network, peering, time of day, and the test client; any single number we cited would not be reproducible. Sources accessed 2026-04-30.

  • Encryption posture30%

    End-to-end encrypted by default vs. optional add-on (zero-knowledge folder) vs. server-side only.

  • Published price25%

    Effective $/TB at the cheapest published tier (annual or lifetime). For lifetime plans we amortise across 10 years for comparability.

  • Jurisdiction15%

    Country where the operating entity is registered. 5 / 9 / 14 Eyes membership applies regardless of marketing claims.

  • Open-source clients15%

    Whether the desktop / mobile client source is published under an OSI license.

  • Refund / trial window10%

    Money-back guarantee or free-trial period documented on the vendor's pricing or terms page.

  • Plan transparency5%

    How clearly the pricing page states limits (storage, version retention, file-size cap).

Sources accessed
2026-04-25 → 2026-04-30
Data sources
  • Vendor pricing pages (Proton Drive, pCloud, Sync.com, IDrive, MEGA, Backblaze B2)
  • Vendor encryption / security pages
  • Vendor about / company pages for jurisdiction
Written by
Subger Editorial Team
Comparison desk

We read every public cloud-storage pricing page, security disclosure, and jurisdiction statement so you do not have to. Every claim on this page links to the source. Editorial standards: see /about.

Last reviewed
2026. 4. 30.
Next review 2026. 7. 30.

Our take on each product

Proton Drive

Recommended

End-to-end encrypted by default on every plan including Free. Switzerland-based. Open-source clients.

Pros
  • E2E encrypted by default — Proton holds no key, including on the Free tier (per proton.me/drive/security)
  • Switzerland headquarters — outside 5/9/14 Eyes intelligence-sharing arrangements
  • All client apps published as open source on GitHub
  • Drive Plus 200 GB at $3.99/mo annual; Family plan bundles 3 TB across 6 users at $23.99/mo
Cons
  • Per-TB price higher than pCloud Lifetime once amortised over a long horizon
  • No native Linux desktop client (browser + WebDAV; community CLI exists)
Best for: Users who want the strongest privacy default at a reasonable annual price
View Proton Drive details

pCloud

Recommended

Lifetime plans turn cloud storage into a one-time purchase. 2 TB for $399, 10 TB for $1,199.

Pros
  • Lifetime plans: 500 GB $199, 2 TB $399, 10 TB $1,199 (per pcloud.com/lifetime) — amortised over 10 years that is $0.40/TB/mo
  • Switzerland headquarters with US (Texas) and EU (Luxembourg) datacenter selection at signup
  • Native Linux client alongside Windows / macOS / iOS / Android
Cons
  • E2E encryption is an add-on (pCloud Crypto), not the default — standard files are encrypted at rest with provider-held keys
  • Lifetime plan pricing assumes pCloud the company is still operating in 10 years; not refundable if circumstances change
Best for: Buyers who want a one-time purchase and are comfortable enabling Crypto on sensitive folders only
View pCloud details

Sync.com

Recommended

End-to-end encrypted by default on every individual and team plan. Canadian (5 Eyes) but zero-knowledge.

Pros
  • E2E encrypted by default — AES-256 + RSA-2048 + TLS, Sync.com cannot decrypt files (per sync.com/security)
  • Pro Solo 2 TB at $8/mo; Solo Professional 6 TB; team tier $5/user/mo annual for 1 TB
  • Free tier offers 5 GB
Cons
  • Canada is part of the 5 Eyes intelligence-sharing arrangement — though zero-knowledge architecture means there is no plaintext data to compel disclosure of
  • No native Linux client (Windows / macOS / iOS / Android only)
Best for: Users who want zero-knowledge by default at a price between Proton Drive and pCloud
View Sync.com details

IDrive

Niche pick

Cheapest $/TB on backup-style use. Optional zero-knowledge mode. US-based.

Pros
  • Personal 5 TB at $69.65 first year (renews $99.50); 10 TB at $99.75 first year; 50 TB at $499.50/yr — the lowest published $/TB in this comparison
  • Optional private-key (zero-knowledge) encryption mode that the customer enables at signup
  • Backup-oriented client supports continuous backup of multiple devices on a single account
Cons
  • First-year promotional pricing renews at materially higher rates (43–100% jump per CheckThat.ai analysis)
  • Default mode uses provider-held keys; zero-knowledge mode disables some convenience features
  • US-based (5 Eyes); the optional zero-knowledge mode is what protects the data when enabled
Best for: Backup-style use cases (full-device backup, multi-device personal backup) where price and storage volume dominate over E2E-by-default
View IDrive details

MEGA

Recommended

End-to-end encrypted by default. 20 GB free tier. Open-source clients. Auckland HQ.

Pros
  • E2E encrypted by default — AES-128 with file keys derived from the user's password (per mega.io/security)
  • Generous free tier: 20 GB
  • Open-source clients published
  • Pro tiers from Pro Lite €4.99/mo for 400 GB up to Pro III €29.99/mo for 16 TB
Cons
  • Auckland, New Zealand — part of the 5 Eyes (the E2E architecture is what protects the data)
  • Past company history: founded by Kim Dotcom (no longer involved); current ownership and operations are well-documented at mega.io/about
Best for: Users who want a generous free tier with E2E by default and are comfortable with the company's documented history
View MEGA details

Backblaze B2

Niche pick

API-first object storage at the price benchmark — $6/TB/mo. No managed E2E client.

Pros
  • $6/TB/mo storage; $0.01/GB egress with a 3× free egress allowance daily (per backblaze.com/cloud-storage/pricing)
  • S3-compatible API — works with rclone, Cyberduck, Arq, restic, and any S3-aware tool
  • Public company (NASDAQ: BLZE) with US-West, US-East, EU-Central regions
Cons
  • No managed end-to-end encryption client — you must layer rclone+crypt or restic+repokey yourself
  • API-first product — no consumer GUI for browsing / sharing files
Best for: Engineers and SMBs running automated backups via rclone/restic, not interactive consumer use
View Backblaze B2 details

Recent updates

  1. Truth-pass review

    Pillar content re-grounded against vendor sources only. The source registry at lib/pillars/content/cloud-sources.ts backs every numeric and policy claim with a public URL and access date — vendor pricing pages, encryption documentation, jurisdiction statements.

The full comparison

Service
Lowest published tier monthly cost divided by storage in TB. Annual discounts applied where offered.
End-to-end encryption posture as documented on the vendor's security page.
Open-source clientWhether the vendor publishes its desktop / mobile client source code under an OSI-approved license.
Country of the operating entity, with 5/9/14 Eyes status appended.
Storage included in the free plan, per the vendor's pricing page.
Proton Drive
19.95DefaultYesSwitzerland (none)5
pCloud
4.17Optional (Crypto add-on)NoSwitzerland (none)10
Sync.com
4DefaultNoCanada (5 Eyes)5
IDrive
1.66Optional (private key mode)NoUSA (5 Eyes)10
MEGA
5.42DefaultYesNew Zealand (5 Eyes)20
Backblaze B2
6No (server-side only)NoUSA (5 Eyes)10

Effective $/TB/mo is the lowest published tier monthly cost divided by storage in TB. Annual / multi-year discounts are reflected. pCloud lifetime plans are amortised over 10 years (e.g. 2 TB lifetime $399 = $399 / 240 months / 2 TB ≈ $0.83/TB/mo on a 10-year horizon, but the table shows the annual-plan equivalent for parity). Proton Drive uses the Drive Plus 200 GB at $3.99/mo (≈ $19.95/TB/mo). Sources accessed 2026-04-30 — see cloud-sources.ts for URLs.

Frequently asked questions

What is end-to-end encryption in cloud storage, and which providers offer it by default?

End-to-end encryption (E2E) means files are encrypted on the user's device before upload, and the provider holds no key. Of the six providers compared here, three offer E2E by default on every plan: Proton Drive, Sync.com, and MEGA. Two offer it as an optional opt-in or add-on: pCloud (via the Crypto add-on) and IDrive (via private-key mode at signup). Backblaze B2 is server-side encrypted only — bring your own E2E layer if you need it.

Does cloud-storage jurisdiction matter?

It matters when the vendor holds plaintext data that a government can compel disclosure of. For E2E-by-default providers (Proton Drive, Sync.com, MEGA), the encryption architecture is what protects the data — there is no plaintext for the jurisdiction's government to subpoena. For server-side-only providers (Backblaze B2 default, IDrive default mode), jurisdiction matters more because the vendor holds the keys.

Are pCloud Lifetime plans worth it?

pCloud Lifetime plans are 500 GB $199, 2 TB $399, 10 TB $1,199 — amortised over 10 years that is roughly $0.40 per TB per month on the 2 TB plan, the lowest effective rate in this comparison. The trade-off: the price assumes pCloud the company continues operating; lifetime plans are non-refundable. Worth it for users who want predictability and accept the company-continuity risk.

Which cloud storage has the best free tier?

MEGA at 20 GB is the largest free tier among E2E-by-default providers (per mega.io/pricing). Proton Drive Free is 5 GB with E2E. pCloud and IDrive Free are 10 GB with provider-held keys (not E2E). Backblaze B2 is not free — it is API-priced from the first byte. Google Drive's 15 GB and OneDrive's 5 GB are not in this comparison because none of them is E2E-by-default.

Can I use cloud storage as a backup, or do I need a separate backup tool?

Cloud storage and cloud backup are different products. Sync (Sync.com, Dropbox, etc.) keeps a folder mirrored across devices — if you delete a file locally, it is also deleted in the cloud after a retention window. Backup (IDrive, Backblaze Computer Backup) takes scheduled snapshots so a deleted local file remains recoverable for the configured retention period. IDrive is the only provider in this comparison that markets itself as a backup product first.

What happens to my files if I cancel?

Most providers give a grace period (typically 30 days) before deletion. Proton Drive deletes data 30 days after subscription ends. pCloud retains data for 6 months on the free tier after a paid subscription lapses (downgrades to free 10 GB). MEGA deletes after a documented inactivity period. Always export or migrate before cancelling — most providers offer a tool or API to bulk-download.

Related

Total cost of ownership

Each row uses the lowest-tier $/TB/mo. pCloud Lifetime is amortised across 10 years for parity. Other plans are annual.

ServiceTotal over 1 yrEffective $/mo
Proton Drive
Drive Plus 200 GB at $3.99/mo annual.
$47.88
cheapest
$3.99
Sync.com
Pro Solo 2 TB at $8/mo.
$96.00
$8.00
IDrive
Personal 5 TB first year $69.65 ≈ $5.80/mo; renewal $99.50 ≈ $8.29/mo.
$99.48
$8.29
pCloud
2 TB annual $99.99/yr ≈ $8.33/mo. Lifetime 2 TB $399 = $3.33/mo over 10 years.
$99.96
$8.33
MEGA
Pro I 2 TB €9.99/mo (~$10.83 USD).
$130
$10.83
Backblaze B2
$6/TB/mo × 2 TB = $12/mo. Egress $0.01/GB beyond the daily 3× free allowance.
$144
$12.00

Assumes list renewal pricing after any promotional period. Does not include taxes or currency conversion. Regional pricing may apply at checkout.

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  2. 2. Does jurisdiction matter to you?

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