Proton Drive vs Sync.com: Which Cloud Storage Tool Is Better in 2026?

Proton Drive logo

Proton Drive

From $3.99
VS
Sync.com logo

Sync.com

From $8

Quick verdict

Overall pick: Proton Drive

The two tools match on every feature in the comparison set, so the decision comes down to pricing model and positioning. Proton Drive's flat $3.99 starting price favors individuals and small teams who want privacy-first storage without per-seat costs. Sync.com's $8 per-seat pricing and focus on confidential document storage for healthcare and legal use make it the fit for teams that need per-user accounts in regulated settings. Buyers who need real-time co-editing or API integrations will find neither tool sufficient.

  • Proton Drive's entry plan ($3.99) is 50% cheaper than Sync.com's ($8).
  • Sync.com charges per user while Proton Drive uses a flat price, so Proton Drive gets relatively cheaper as your team grows.
  • Both offer a free plan, so you can test them side by side at no cost.
  • They cover the same 6 of 8 core features we track, so price and UX decide.
Try Proton Drive β†’Try Sync.com β†’

Cost calculator

ToolMonthlyYearly
Proton Drive Β· flat$3.99$48
Sync.com Β· per user$40.00$480

Based on entry-level paid plans. Prices change, so check the vendor before you buy.

Which one should you choose?

If you need…PickWhy
Individual buyer wanting encrypted storage at the lowest entry priceProton DriveProton Drive starts at $3.99 on flat billing versus Sync.com at $8 per seat.
Small team wanting predictable storage costs without per-user chargesProton DriveProton Drive's flat billing avoids multiplying cost by seat count, unlike Sync.com's per-seat model.
Healthcare or legal team storing confidential client documentsSync.comSync.com is positioned for healthcare and legal privacy and includes zero-knowledge encryption and enterprise compliance.
User already invested in the Proton ecosystemProton DriveProton Drive is listed as best for Proton ecosystem integration.
Team needing real-time document co-editingTieNeither Proton Drive nor Sync.com offers real-time document co-editing.

Feature comparison: Proton Drive vs Sync.com

Feature
Proton Drive logo
Proton Drive
Sync.com logo
Sync.com
Free planβœ…βœ…
Starting price$3.99 /mo$8 /user/mo
Client-side zero-knowledge encryptionβœ…βœ…
File version history & recovery (30+ days)βœ…βœ…
Large file transfer (100GB+ / link)βœ…βœ…
Real-time document co-editing & previewβ€”β€”
HIPAA, GDPR & SOC2 complianceβœ…βœ…
Password-protected & expiring linksβœ…βœ…
Smart on-demand selective syncβœ…βœ…
REST API & enterprise cloud integrationsβ€”β€”

Highlighted rows are where the tools differ.

Pros and cons

Proton Drive logo

Proton Drive

  • Lowest starting price at $3.99 with flat billing
  • Zero-knowledge encryption, file versioning, large file sharing, and password-protected links all included
  • Enterprise compliance and smart selective sync supported
  • Positioned for privacy advocates and Proton ecosystem integration
  • No real-time document co-editing
  • No REST API or enterprise cloud integrations
  • Flat billing may not map cleanly to per-user team provisioning
Try Proton Drive β†’
Sync.com logo

Sync.com

  • Zero-knowledge encryption on by default with unlimited data transfer
  • Full feature match: versioning, large file sharing, password-protected links, smart sync, compliance
  • Per-seat billing suits team account management
  • Positioned for confidential document storage in healthcare and legal settings
  • Higher starting price at $8 per seat versus $3.99 flat
  • No real-time document co-editing
  • No REST API or enterprise cloud integrations
Try Sync.com β†’
COMMUNITY POLL

Which tool would you pick for your stack?

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At a glance

Proton Drive logo

Proton Drive

Swiss privacy-first encrypted cloud storage with strict zero-access file encryption.

Founded 2020 Β· From $3.99 Β· 6/8 tracked features

Best for: privacy advocates, Proton ecosystem integration

See Proton Drive alternatives β†’
Sync.com logo

Sync.com

Private cloud storage with default zero-knowledge encryption and unlimited data transfer.

Founded 2011 Β· From $8 Β· 6/8 tracked features

Best for: confidential document storage, healthcare & legal privacy

See Sync.com alternatives β†’

FAQ

Is Proton Drive cheaper than Sync.com?

Yes. Proton Drive starts at $3.99 on flat billing, while Sync.com starts at $8 per seat.

Do Proton Drive and Sync.com offer the same features?

They match on all compared features: zero-knowledge encryption, file versioning, large file sharing, enterprise compliance, password-protected links, and smart sync. Neither offers real-time co-editing or an API.

Which tool is better for healthcare and legal privacy?

Sync.com is positioned for healthcare and legal privacy and confidential document storage, and it includes zero-knowledge encryption and enterprise compliance.

Can either tool replace a document collaboration suite?

No. Neither Proton Drive nor Sync.com offers real-time document co-editing, so neither covers live collaborative editing.

Which tool should a small team on a budget choose?

Proton Drive, because its flat $3.99 starting price does not scale per seat the way Sync.com's $8 per-seat pricing does.

Related comparisons

Data last reviewed: pending verification. All Cloud Storage tools β†’