At a glance

Box Sync.com
Best for Enterprises needing secure file sharing and collaboration Users wanting zero-knowledge encrypted storage
Starting price $15/user/mo Free
Free tier
Open source
Free tier available
Open source
Compliance
E2E Encryption
Enterprise Security
File Sync
Integrations
Sharing
Workflows
Zero Knowledge

Box

Strengths

  • Includes Enterprise Security as a core feature, purpose-built for file storage workflows
  • Includes Workflows as a core feature, purpose-built for file storage workflows
  • 10 GB free for individuals — generous enough for most small teams to get real work done
  • Established product with 21+ years on the market and a mature ecosystem

Weaknesses

  • Free plan exists but key features are locked behind the paid upgrade
  • Enterprise-focused design means the interface can feel heavy for smaller teams
  • Syncing large folders can be slow and occasionally causes file conflicts
  • Overkill for freelancers or small teams who need something lightweight

Sync.com

Strengths

  • Includes Zero Knowledge as a core feature, purpose-built for file storage workflows
  • End-to-end encryption by default — messages are unreadable even to the server operator
  • 5 GB free — generous enough for most small teams to get real work done
  • Established product with 15+ years on the market and a mature ecosystem

Weaknesses

  • Free plan exists but key features are locked behind the paid upgrade
  • Fewer built-in features means you may need additional tools to cover gaps
  • Syncing large folders can be slow and occasionally causes file conflicts
  • Limited team/admin features if your organization eventually scales up

The bottom line

Pricing: Sync.com is completely free (5 GB free), which makes it the obvious pick if budget is the top concern. Box starts at $15/user/mo, but 10 GB free for individuals. That cost buys you a more polished or feature-rich experience, so it comes down to whether the extras justify the spend.

Feature gaps: Box offers Compliance, Enterprise Security and Integrations that Sync.com lacks. Sync.com brings E2E Encryption, File Sync and Sharing that Box does not have.

Team fit: Box is geared toward enterprise teams, while Sync.com is aimed at individual users and small setups. Pick the one that matches where your team is today and where it is headed — migrating tools later is always painful.

Where each tool shines: Box's biggest strengths are: includes enterprise security as a core feature, purpose-built for file storage workflows. includes workflows as a core feature, purpose-built for file storage workflows. Sync.com's biggest strengths are: includes zero knowledge as a core feature, purpose-built for file storage workflows. end-to-end encryption by default — messages are unreadable even to the server operator.

Watch out for: With Box, users commonly note that free plan exists but key features are locked behind the paid upgrade. With Sync.com, the main complaint is that free plan exists but key features are locked behind the paid upgrade.

Choose Box if...

  • You need a tool built for enterprises needing secure file sharing and collaboration
  • You specifically need Compliance and Enterprise Security
  • You care about includes workflows as a core feature, purpose-built for file storage workflows
  • Your team size fits the enterprise profile Box is designed for
  • The free tier works for you: 10 gb free for individuals

Choose Sync.com if...

  • You need a tool built for users wanting zero-knowledge encrypted storage
  • Budget is a hard constraint — Sync.com is free, Box is not
  • You specifically need E2E Encryption and File Sync
  • You care about end-to-end encryption by default — messages are unreadable even to the server operator
  • Your team size fits the individuals profile Sync.com is designed for

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