Proton vs Proton Business
Side-by-side comparison — pricing, features, ratings, use cases. Find which Cloudové úložiště fits you best.
🔍 Independently researched ·
📊 Data-driven
42/100
Free tier
Privacy-focused individuals, freelancers, small businesses, and journalists who want a secure all-in-one suite for encry
💰 Pricing
🆓 Free tier available
Starting at 115 Kč
🔧 Features
✓ Encrypted✓ Email✓ Vpn✓ Password Mgr✓ Storage✓ Swiss Privacy
📋 Assessment
💪 Strengths
- End-to-end encryption across all products: Proton uses zero-access encryption on Mail, Drive, Calendar, and Pass. Your data is encrypted on the client side before being uploaded, meaning Proton's servers never see your unencrypted content. This is a critical differentiator from traditional cloud services like Google Drive, which hold the decryption keys. This feature is especially valuable for protecting against data breaches and government surveillance.
- Swiss privacy laws: Headquartered in Switzerland, Proton benefits from some of the world's strongest privacy laws. Swiss law offers robust protection against data disclosure to foreign governments, and Proton is not subject to US surveillance programs like the Patriot Act. This provides a legal shield that US-based services cannot match, making Proton a top choice for whistleblowers, journalists, and activists.
- Generous free tier: Proton's free plan includes 5GB of encrypted cloud storage, a VPN with up to 10GB/month data usage (no time limits), and unlimited email aliases for Proton Pass. This allows users to experience the security of Proton without paying, and for many, it's enough for basic privacy needs. It's one of the most feature-rich free tiers in the privacy market.
- Integrated suite: Instead of juggling multiple apps, Proton gives you a cohesive ecosystem. Email, calendar, drive, and password manager are all accessible from a unified interface, and they work together seamlessly—for example, you can attach files from Drive directly to an email, and calendar invites include encrypted details. This integration saves time and reduces the attack surface compared to using separate tools.
- Open-source and audited: Proton's client code is open-source, meaning anyone can review it for security flaws. Additionally, Proton undergoes independent third-party audits (like the one from Secfault Security) to verify its encryption claims. This transparency builds trust and allows security researchers to catch issues, which is a strong signal for privacy-conscious buyers.
⚠ Watch out for
- Limited storage compared to competitors: Proton Unlimited offers 500GB, while Google Drive, Dropbox, Apple iCloud, and Microsoft OneDrive provide 1TB-2TB at similar price points. For users who back up large photo libraries or video files, this may be insufficient. The free tier's 5GB is also smaller than what some rivals offer (e.g., Google's 15GB).
- No full-text search in Drive: You can only search by file name or metadata, not the content within documents. This makes it difficult to find a specific paragraph inside a large PDF or text file. For heavy users who rely on search to navigate archives, this is a significant productivity handicap.
- Office suite is basic: Proton's document editing is limited to simple text and basic tables. Spreadsheets lack advanced formulas, pivot tables, or macros, and there's no presentation tool. This contrasts sharply with Google Docs/Sheets/Slides, which offer rich collaboration features like real-time co-editing and hundreds of templates. So, for professional productivity, you'll likely need to export files and work offline.
- Customer support responses can be slow: The free plan includes support through a ticket system with response times often exceeding 48 hours. Even paying customers have reported response times of 24-48 hours. There's no phone support or live chat, which can be frustrating if you encounter urgent issues like account lockouts or migration problems.
- VPN performance varies: While the VPN is included, it sometimes suffers from slower speeds due to server congestion during peak hours. This is less of an issue on paid plans, but users on the free 10GB/month allocation may notice throttling (intentional to preserve bandwidth). For gamers or streamers who need consistent speed, this could be a drawback.
🎯 Best for
Privacy-focused individuals, freelancers, small businesses, and journalists who want a secure all-in-one suite for encrypted email, cloud storage, VPN, and password management under one account.
🚫 Who should skip
Teams and power users who need large cloud storage, advanced document editing, or deep integrations with productivity tools like Google Workspace or Microsoft 365 — they'll find Proton's features too basic.
📚 Learning curve
Moderate — setting up encryption and understanding the differences between Proton-to-Proton and external encryption is easy, but configuring desktop Bridge, managing keys, and finding where features live across the suite takes some time.
🧑⚖️ Verdict
Proton is the go-to choice for privacy advocates and professionals handling sensitive data who want an all-in-one secured suite. It excels at encryption and legal protection but falls short on storage capacity and feature richness compared to mainstream cloud services. If privacy is your top priorit
44/100
184 Kč starting
Proton for Business is best for privacy-focused small and mid-sized companies, law firms, consultants, and EU-oriented o
★ Best
💰 Pricing
Starting at 184 Kč
🔧 Features
✓ Encrypted Email✓ Vpn✓ Password Manager✓ File Storage✓ Swiss Privacy
📋 Assessment
💪 Strengths
- The entire stack is end-to-end encrypted: email, calendar, Drive files, passwords, and VPN all use zero-access encryption, meaning Proton cannot read your data. This is a consistent privacy model across tools, which is rare among competitors like Google or Microsoft that do not offer E2EE for all their products. The open-source code and independent audits (by SEC Consult for Mail, and others for Drive) add credibility.
- Proton Business consolidates five separate privacy tools into one admin-managed package. Instead of buying encrypted email from one vendor, a VPN from another, and a password manager from a third, admins manage everything through a single dashboard. This reduces vendor sprawl and simplifies procurement and billing. The Business plan includes advanced features like catch-all email, auto-reply, and email forwarding.
- Proton is based in Switzerland, which has strong privacy laws. This jurisdiction is a differentiator for businesses that need to assure clients that their data is protected by strict data protection regulations, which can be a selling point for legal or healthcare firms. The legal protection is bolstered by Proton's nonprofit foundation structure, ensuring the company's mission is not for profit.
- Proton Drive includes Proton Docs, a collaborative editor for text documents. While basic compared to Google Docs, it provides real-time co-authoring with end-to-end encryption. This is a practical feature for teams that need to work on documents together without compromising security. Versioning and file sharing with password protection are included.
- Proton Pass password manager is included, and it supports sharing vaults and enforcing security policies like two-factor authentication (2FA) for team members. The VPN gives secure internet access, which is useful for remote workers. These features add value beyond simple storage, making the suite a comprehensive security solution.
⚠ Watch out for
- Document collaboration is still basic: Proton Docs supports word processing only—no spreadsheets or slides—and lacks the rich commenting, add-on marketplace, and real-time presence features of Google Workspace or Microsoft 365. Teams that rely on those features will feel constrained. Proton has a roadmap for more, but currently it might not meet enterprise productivity demands.
- Admin and compliance controls are limited. While you can manage users and set up SAML SSO, features like eDiscovery, data-loss prevention (DLP), advanced retention policies, and granular user lifecycle management (e.g., bulk CSV import/export, API for user provisioning) are missing or immature. This makes it harder for organizations with strict compliance requirements to adopt Proton Business as their primary system.
- Client-side encryption can make large Drive syncs slower or more brittle for shared team workflows. Because files are encrypted before upload, deduplication is not possible, leading to larger storage footprints and potentially slower sync performance, especially in environments with many shared files. This is a trade-off of privacy that might affect collaboration-heavy teams accustomed to instant file sharing.
- The suite lacks integration with third-party apps. There is no marketplace or extensive API for connecting to tools like Slack, Salesforce, or custom business applications. This limits workflow automation and can be a dealbreaker for companies that rely on a connected software ecosystem.
- Customer support is not available 24/7. Users have access to email and ticket-based support, but live chat is limited to certain plans and pay-per-ticket support is available for more urgent cases. Response times for free tiers are slower; even paid business support may not be immediate, which could be problematic during emergencies.
🎯 Best for
Proton for Business is best for privacy-focused small and mid-sized companies, law firms, consultants, and EU-oriented organizations that want encrypted email, secure file storage, passwords, and VPN under one Swiss-based console.
🚫 Who should skip
Teams that depend heavily on real-time collaborative documents, deep Microsoft 365/Google Workspace integrations, or mature compliance features like eDiscovery and DLP should skip Proton — or use it only for a specific secure-communication function.
📚 Learning curve
Moderate — basic email and Drive sharing are familiar, but configuring custom domains, Bridge/IMAP access, and proper admin encryption policies takes deliberate onboarding.
🧑⚖️ Verdict
Proton Business is an excellent fit for privacy-conscious small to medium businesses that need a secure email, storage, and security suite and value the Swiss jurisdiction and E2EE. It is not yet a replacement for Google Workspace or Microsoft 365 for teams that rely heavily on advanced document col
📊 Use Case Suitability
Higher score = better fit. Scores from editorial review.
Use CaseProtonProton Business
Secure file storage for sensitive documents90—
Proton Drive uses end-to-end encryption and zero-access architecture, meaning ev
Confidential email communication with clients85—
Proton Mail offers secure encrypted inboxes and password-protected messages for
Privacy-conscious browsing on public Wi-Fi80—
The built-in VPN provides encrypted tunneling on public networks at no cost, and
Replacing multiple privacy tools with one suite75—
Proton bundles email, calendar, drive, password manager, and VPN in one subscrip
Collaborative document editing inside an encrypted drive40—
Proton Docs supports real-time co-editing, but it lacks advanced formatting, spr
Secure client document exchange—95
Encrypted Drive links with passwords and expiration dates are ideal for sending
Small/remote team privacy stack—88
Proton combines encrypted email, calendar, Drive, Pass, and VPN in one business
GDPR-aligned business communications—85
Swiss jurisdiction, zero-access encryption, and a data-processing agreement give
🧭 Which One Should You Pick?
Choose Proton if...
- You are: Privacy-focused individuals, freelancers, small businesses, and journalists who want a secure all-in-one suite for encry
- 👍 End-to-end encryption across all core products (mail, drive, calendar, pass) with zero-access archit
- 👍 Swiss headquarters and privacy laws provide strong legal data protection compared to US-based cloud
- 👍 Generous free tier that includes 5GB of encrypted cloud storage, a free VPN with up to 10GB/month da
- 💰 From $4.99/mo
- ⚠ Trade-off: Storage capacity is small relative to competitors: Proton Unlimited offers 500GB
Choose Proton Business if...
- You are: Proton for Business is best for privacy-focused small and mid-sized companies, law firms, consultants, and EU-oriented o
- 👍 End-to-end encryption is baked into the entire stack — email, calendar, Drive files, passwords, and
- 👍 Swiss jurisdiction and open-source, independently audited apps give it strong credibility for busine
- 👍 Business plans consolidate Mail, Calendar, Drive, Pass, and VPN under one admin-managed package, red
- 💰 From $8/mo
- ⚠ Trade-off: Document collaboration is still basic: Proton Docs mainly supports word processi
❓ Frequently Asked Questions
Is Proton's free plan really free, and are there long-term restrictions?
Yes, Proton offers a genuinely free plan with no trial time limit. It includes 5GB of Drive storage, 1GB of email storage (or 15GB total across Mail and Drive depending on signup timing), access to a limited free VPN, and one calendar. However, free accounts have lower sending limits, one mailbox label, and only three folders in Mail.
What happens if I store files in Proton Drive while on the free plan?
You get 5GB of free storage in Proton Drive. If you exceed the limit, you cannot upload new files until you delete content or upgrade. Existing files remain accessible. Proton's free plan also has no file versioning, so old versions are not preserved.
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