Proton Drive vs Sync.com Comparison: Reviews, Features, Pricing & Alternatives in 2026

Detailed side-by-side comparison to help you choose the right solution for your team

Updated Apr 2026 8 min read

Proton Drive

0.0 (0 reviews)

Proton Drive is a secure cloud storage solution providing end-to-end encryption for your files and photos to ensure your private data remains accessible only to you.

Starting at Free
Free Trial NO FREE TRIAL
VS

Sync.com

0.0 (0 reviews)

Sync.com is a secure cloud storage and file sharing platform that provides end-to-end encryption to protect your data privacy while enabling seamless team collaboration and document management.

Starting at Free
Free Trial NO FREE TRIAL

Quick Comparison

Feature Proton Drive Sync.com
Website proton.me sync.com
Pricing Model Freemium Freemium
Starting Price Free Free
FREE Trial ✘ No free trial ✘ No free trial
Free Plan ✓ Has free plan ✓ Has free plan
Product Demo ✘ No product demo ✘ No product demo
Deployment saas mobile desktop cloud mobile desktop
Integrations Proton Mail Proton Calendar Proton Pass Proton VPN Slack
Target Users freelancer solopreneur small-business freelancer solopreneur small-business mid-market
Target Industries legal healthcare finance
Customer Count 0 0
Founded Year 2014 2011
Headquarters Geneva, Switzerland Toronto, Canada

Overview

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Proton Drive

Proton Drive gives you a highly secure space to store, share, and sync your most sensitive files. Unlike traditional storage providers, it uses end-to-end encryption, meaning not even Proton can see what you upload. You can access your data from any device while knowing your privacy is protected by Swiss law and open-source, audited code.

You can easily organize your digital life with folders, automatic photo backups, and secure file sharing links. It is built for anyone who prioritizes privacy, from individuals protecting personal photos to businesses securing confidential documents. You get a seamless experience that integrates with the broader Proton ecosystem, including Mail and Calendar, to keep your entire digital footprint private.

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Sync.com

Sync.com provides a secure space for you to store, share, and access your files from anywhere. Unlike traditional cloud providers, it uses zero-knowledge encryption, which means only you hold the keys to your data. You can safeguard your most sensitive documents while ensuring your team stays productive with shared folders and centralized management tools.

You can easily back up your entire computer, restore previous versions of files, and wipe data remotely if a device is lost. The platform helps you meet strict compliance requirements like HIPAA and GDPR without changing how you work. Whether you are a solo professional or part of a large enterprise, you get a private cloud that keeps your business running smoothly and securely.

Overview

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Proton Drive Features

  • End-to-End Encryption Secure your files, metadata, and folder names with high-level encryption so only you can access your content.
  • Secure File Sharing Share large files via encrypted links and protect them further with passwords and custom expiration dates.
  • Automatic Photo Backup Protect your memories by automatically syncing photos from your mobile devices to your encrypted cloud storage.
  • Version History Recover previous versions of your documents easily and protect yourself against accidental changes or ransomware attacks.
  • Offline Access Mark important files for offline use so you can view and edit your data even without internet.
  • Cross-Platform Sync Keep your files updated across Windows, Mac, iOS, and Android with seamless background synchronization.
  • Encrypted Search Find your files quickly with a search tool that works locally on your device to maintain privacy.
  • Swiss Privacy Protection Benefit from some of the world's strongest privacy laws, ensuring your data is protected from third-party requests.
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Sync.com Features

  • Zero-Knowledge Encryption. Protect your files with end-to-end encryption that ensures only you can access your data—not even Sync can see it.
  • Secure File Sharing. Send files to anyone using password-protected links, expiry dates, and download limits to maintain total control over your information.
  • Remote Device Wipe. Keep your data safe by remotely deleting synced files from any connected device if it is lost or stolen.
  • File Versioning. Roll back any file to a previous version to recover from accidental changes, deletions, or ransomware attacks effortlessly.
  • Selective Sync. Choose exactly which folders stay on your computer and which stay in the cloud to save local disk space.
  • Global Compliance. Meet HIPAA, GDPR, and PIPEDA requirements automatically with built-in privacy protections designed for regulated industries.

Pricing Comparison

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Proton Drive Pricing

Proton Free
$0
  • Up to 5 GB storage
  • End-to-end encryption
  • Secure file sharing
  • Mobile and desktop apps
  • Swiss privacy protection
S

Sync.com Pricing

Free
$0
  • 5 GB secure storage
  • Basic sharing features
  • End-to-end encryption
  • Mobile and desktop apps
  • Sync Vault for archiving

Pros & Cons

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Proton Drive

Pros

  • Unmatched privacy with full end-to-end encryption
  • Simple and clean user interface is easy to navigate
  • Generous free tier with no advertisements
  • Strong legal protections due to Swiss jurisdiction
  • Seamless integration with Proton Mail and Calendar

Cons

  • Upload speeds can be slower due to encryption
  • Lacks advanced third-party app integrations
  • No collaborative real-time document editing yet
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Sync.com

Pros

  • Superior privacy with zero-knowledge encryption
  • Easy to set up and use
  • Very affordable pricing compared to competitors
  • Reliable file recovery and versioning history
  • Excellent compliance features for healthcare and legal

Cons

  • Slower upload speeds due to encryption
  • No third-party app integrations like Office 365
  • Limited collaboration features compared to Google Drive
  • No monthly billing option for most plans
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