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Reviewed · Updated 2026-06-19

Sync.com

Sync.com offers a secure, zero-knowledge encrypted cloud storage solution, enabling private file storage, sharing, and collaboration with end-to-end encryption.

Reviewed by the Conversion Gems editorial team ·
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Pricing
Freemium
Best for
Individuals, freelancers, small to medium-sized businesses, and anyone prioritizing privacy and security for their cloud-stored data over deep integration with mainstream ecosystems
Category
Security, Privacy & Backup
The bottom line

The go-to encrypted cloud drive for privacy-first users who need real zero-knowledge security without sacrificing ease of use.

6.9
Our score
6.9 / 10
Conversion Gems editorial verdict
Free (5 GB); paid from $8/mo
Features7/10
7 - strong encrypted storage and sharing; version history and remote wipe included, but no native real-time co-editing.
Value8/10
8 - zero-knowledge encryption at Dropbox-comparable prices, with a usable 5 GB free tier, is genuinely competitive.
Ease of use7/10
7 - cross-platform apps work reliably; UI is functional but less polished than Google Drive or Dropbox.
Ecosystem5/10
5 - Microsoft Office 365 preview and Slack compatibility, but very limited native integrations versus mainstream rivals.
Support6/10
6 - email and ticket support on all plans; VIP support only on the top Teams tier; no 24/7 live chat.

Community ratings

4.2/ 5 aggregate · across 2 sources
G2
3.930+ reviews
Trustpilot
4.2390+ reviews

Third-party ratings shown verbatim; aggregate weighted by review volume.

What it really is

Sync.com — zero-knowledge encrypted cloud storage and file sharing based in Canada.

Our take

Sync.com is one of the few mainstream cloud storage providers that enforces true end-to-end, zero-knowledge encryption by default — meaning even Sync cannot read your files. Servers are hosted in Canada under PIPEDA, outside US surveillance jurisdiction, which makes it a genuine choice for privacy-conscious individuals and regulated businesses. The DB pricing of 'Freemium-$8/month' is accurate: a 5 GB free tier exists, and paid Solo plans start at $8/month (billed annually) for 2 TB. Where it falls short is third-party integrations and real-time collaborative editing, which mainstream rivals handle better.

Why we rate it

Sync.com delivers genuine privacy — not just marketing language — at a price point that undercuts Tresorit and matches unencrypted rivals like Dropbox. The Canadian legal jurisdiction and zero-knowledge architecture are verifiable architectural choices, not just policy promises.

The catch

No real-time collaborative document editing (you'll still need Google Docs or Office 365 alongside it), and the desktop app can feel dated compared to Dropbox or Box. Third-party integrations are sparse.

Best for
Privacy-first individuals and regulated-industry professionals (legal, medical, finance)
SMBs needing secure external file sharing with password and expiry controls
Remote teams requiring encrypted shared folders with role-based access
Not good for
Teams that need real-time collaborative document editing built in
Organizations heavily reliant on broad third-party app ecosystems (Salesforce, Slack-native, etc.)
Power users who need advanced AI-assisted search or auto-tagging across large vaults
Friction report
Time to value
Fast: free account signup is instant and the desktop sync client is straightforward. First encrypted folder syncing within minutes.
Scale breakpoint
Team plans require 3+ users minimum; per-user costs climb quickly for larger orgs versus pooled-storage competitors. Enterprise tier requires contacting sales.
Walled garden
Low: files are standard formats stored encrypted; you can download and export at any time without proprietary lock-in.

A look inside

Sync.com product screenshot

Frequently Asked Questions

Alternatives

Step up

Tresorit for enterprise zero-knowledge with richer compliance controls (HIPAA/GDPR BAA).

Lighter alternative

ProtonDrive for privacy-first personal storage with a generous free tier and Proton ecosystem integration.

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Tags

#CloudStorage#Backup#Privacy

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