Sync.com — A Canadian, end-to-end encrypted cloud storage service positioned as a private Dropbox alternative, with a free 5GB tier and paid plans from $4/month (150GB).
By Noahlast updated pricing verified
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Sync.com in 20 seconds
Best for: privacy-conscious individuals and regulated businesses who need zero-knowledge encrypted file storage
Pricing: Free tier with 5GB; paid plans from $4/month (150GB) to $16/month (5TB), discounted further on annual billing.
- Sync.com's free tier includes 5GB of storage; Personal 150GB starts at $4/month ($3.50/month billed annually).
- Pro Solo 5TB costs $16/month billed monthly or $14/month billed annually.
- All files are protected with zero-knowledge, end-to-end encryption that Sync.com itself cannot decrypt.
- Sync.com holds a 4.3-out-of-5 rating from 57 reviews on Capterra.
- Sync.com is Canadian-based and reports 2.7 million users.
Limitations: Some users report reliability issues, including folder sync operations failing at times.; Customer support response times draw complaints from reviewers.; A lost password permanently loses access to files, since Sync.com cannot decrypt or reset it.
Top alternatives: Dropbox, Google Drive, pCloud, Tresorit, Proton Drive — full list
What is Sync.com?
Sync.com is a cloud storage service built around zero-knowledge, end-to-end encryption: files are encrypted before they leave a user's device, so Sync.com cannot decrypt or view stored content even if compelled to. This is the core differentiator against mainstream competitors like Dropbox or Google Drive, which can technically access unencrypted file contents. The service targets both individuals and businesses, with dedicated plans for education, healthcare, legal, financial services, government, and content-creator use cases. Individual plans include a free 5GB tier, Personal 150GB at $4/month ($3.50/month billed annually), Personal 1TB at a promotional $8/month ($6/month billed annually, listed against a regular price roughly double that), and Pro Solo 5TB at $16/month ($14/month billed annually) with advanced sharing and custom branding. Business and team plans, including an unlimited-storage Pro Teams Unlimited option, are priced separately. Sync.com runs on web, Windows, Mac, iOS, and Android, and includes a CloudFiles feature that integrates with Windows Explorer and Mac Finder, plus custom-branded client file portals for professional sharing.
Sync.com is a cloud storage and file-sharing service built around end-to-end (zero-knowledge) encryption, meaning Sync.com itself cannot read stored files, aimed at individuals, teams, and regulated industries like legal, healthcare, financial services, education, and government that need private file sync and sharing. It offers a free tier with 5GB of storage, and individual paid plans starting at Personal 150GB for $4/month ($3.50/month billed annually) up to Pro Solo 5TB at $16/month ($14/month billed annually); separate team and business plans, including an unlimited-storage Pro Teams tier, are sold on a different pricing page. Sync.com is Canadian-based, which appeals to users wanting data outside U.S. jurisdiction, and reports 2.7 million users.
Standout feature: True end-to-end (zero-knowledge) encryption on all stored files, meaning Sync.com cannot decrypt user content even under legal compulsion, unlike mainstream competitors that can technically access unencrypted files.
Biggest weakness: Reviewers report real reliability problems including slow performance and basic operations like folder creation failing at times, along with slow customer support response times where users describe having to perform their own recovery steps after minimal guidance; because encryption is end-to-end, a lost password also means permanently lost access to files with no vendor-side recovery.
Pros
- True zero-knowledge encryption means even Sync.com cannot read stored files.
- Free tier includes 5GB of storage with no credit card required to start.
- Canadian jurisdiction appeals to users wanting data outside U.S. legal reach.
- CloudFiles integrates directly with Windows Explorer and Mac Finder for native-feeling sync.
Cons
- Some users report inconsistent reliability, including folder creation and sync operations failing at times.
- Customer support response times draw complaints, with some users left to self-resolve recovery issues.
- Zero-knowledge encryption means a lost password results in permanently inaccessible files, with no vendor-side reset.
- 1TB and 5TB tier pricing shown as 'promotional' against a listed regular price roughly double, making true long-term cost less transparent.
Sync.com pricing
Free tier · paid from $4/mo · verified from the vendor's pricing page
| Plan | Price | Notes |
|---|---|---|
| Free | Free | 5GB of storage with basic sharing and sync across devices. |
| Personal 150GB | $4/mo | $4/month billed monthly, or $3.50/month billed annually; 150GB storage with basic sharing. |
| Personal 1TB | $8/mo | $8/month billed monthly (promotional, regular price $16/month), or $6/month billed annually (regular $12/month); 1TB storage with advanced sharing. |
| Pro Solo 5TB | $16/mo | $16/month billed monthly (promotional, regular price $32/month), or $14/month billed annually (regular $28/month); 5TB storage with advanced sharing and custom branding. |
What reviewers say
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