Backblaze vs Proton Business

Side-by-side comparison — pricing, features, ratings, use cases. Find which Cloud Storage fits you best.

⚖️ Editor's verdict
🏆 Backblaze wins by 31 points
Backblaze is an excellent choice for individuals needing unlimited, affordable backup for a single computer, and for developers wanting S3-compatible storage at a low cost
See why ↓
75/100
🔍 Independently researched · 📊 Data-driven · ★ GitHub stars from public repos
Backblaze
Backblaze
75/100
Free tier
Individual users and small businesses that want a reliable, no-nonsense, and cost-effective offsite backup solution for
★ Best

💰 Pricing

🆓 Free tier available
Starting at $6

🔧 Features

✓ Free Tier✓ Api Available✓ Mobile App✓ Gdpr Compliant✓ Soc2 Compliant✓ Unlimited Storage

📋 Assessment

💪 Strengths

  • Unlimited backup at a flat rate: For $7/month (or $99/year), you get truly unlimited backup for one computer. This is a huge advantage for users with large local data—photographers, video editors, or anyone with terabytes of documents—because you never have to manage quotas or estimate your storage needs. The price is predictable and often far cheaper than per-GB services once you exceed a few hundred gigabytes.
  • Transparent pricing: Backblaze is refreshingly upfront about costs. There are no tiered plans, no hidden fees, and no surprise overage charges for personal backup. The annual plan costs less than two months of many competitors' entry-level business plans. B2 pricing is also clearly listed on their website, with no minimum commitments, which builds trust in an industry known for opaque billing.
  • S3-compatible B2 storage: B2's compatibility with Amazon S3 APIs is a critical feature for developers. You can use the AWS CLI, SDKs, or third-party tools like rclone and Duplicati without any special adaptation. This eliminates vendor lock-in and reduces the learning curve, while the lower egress fees (1 cent per GB vs. AWS's 9 cents) can save you significant money if you need to retrieve data frequently.
  • Quarterly hard drive reliability reports: Backblaze publishes detailed statistics on hard drive failure rates from its own data centers. This transparency is a mark of confidence and provides valuable insights for both consumers and IT professionals. It also demonstrates a commitment to data integrity, giving users reassurance that their data is stored on hardware that's carefully monitored.
  • Mobile and remote access: Even though backup is from one computer, you can access your files from any device via the Backblaze mobile app or web interface. You can browse, search, and download individual files or share links to others. This flexibility is handy for retrieving a document while you're away from your main computer.

⚠ Watch out for

  • No native collaboration features: Backblaze is strictly a backup service. There are no shared folders, no multi-user permissions, and no activity feeds. If you need to collaborate with a team on files, you'll have to use another tool like Dropbox or Google Drive, which can be an extra cost and complexity. Even the Business plan doesn't offer collaboration—it just adds admin console and enforcement of encryption keys.
  • Restoring large data is slow: Restoring your entire backup over the internet is time-consuming, especially if you have terabytes of data. The mail-in USB drive option (which costs a $99 refundable deposit) is a workaround, but it takes days to deliver and is not instant. For businesses that need quick recovery after a disaster, this could be a critical drawback.
  • Variable costs on B2: While B2's egress fees are low, they are not zero. If you frequently download or access your stored objects (e.g., for processing or serving to users), costs can add up. Additionally, there are transaction charges for API operations. Users who are used to flat-rate backup might be caught off guard by a metered bill for B2.
  • Personal backup is tied to one computer: Backblaze's unlimited plan covers a single computer. You cannot back up multiple machines under one personal plan without paying extra per computer. This is fine for individuals but a limitation for families or small businesses with multiple employee computers.
  • No backup for network-attached storage (NAS) on personal plan: The personal plan doesn't support backing up NAS devices directly. Business plans can use B2 to back up NAS, but that requires more technical setup. If you rely on a NAS for home storage, you'll need to manually sync data to your computer first, which is a hassle.

🎯 Best for

Individual users and small businesses that want a reliable, no-nonsense, and cost-effective offsite backup solution for personal computers or S3-compatible object storage, without needing collaborative file-sharing features.

🚫 Who should skip

Organizations that rely on team collaboration, file sync across multiple devices, or granular access controls, as Backblaze focuses on backup and raw storage rather than a productivity suite.

💰 Hidden costs

For personal backup, extended version history beyond 30 days costs $2/month (1-year) or $6/month (forever), and restoring via USB drive requires a $99 upfront fee plus shipping, refunded when you return the drive. For B2, egress charges are $0.01 per GB (after 3 GB free per day), and transaction fees apply after the free tier—these can become significant for active applications.

📚 Learning curve

Minimal for personal backup—installation and initial setup take minutes, and the software runs automatically in the background. B2 has a moderate learning curve if you're configuring API integrations or S3-compatible tools, but basic uploads are straightforward.

🧑‍⚖️ Verdict

Backblaze is an excellent choice for individuals needing unlimited, affordable backup for a single computer, and for developers wanting S3-compatible storage at a low cost. However, teams looking for collaboration features or businesses needing rapid large-scale restores should look elsewhere. If yo

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Proton Business
Proton Business
44/100
$8 starting
Proton for Business is best for privacy-focused small and mid-sized companies, law firms, consultants, and EU-oriented o

💰 Pricing

Starting at $8

🔧 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.

💰 Hidden costs

The entry business plan does not include the full Drive/VPN bundle, so you may need to pay more for the Business tier just to get adequate storage and VPN. Extra users, additional storage beyond quotas, custom domain/branding needs, and dedicated migration support can add to the bill; Proton Bridge for Outlook also requires a paid plan and works only on desktop clients.

📚 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

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📊 Use Case Suitability

Higher score = better fit. Scores from editorial review.

Use CaseBackblazeProton Business
Unlimited offsite backup for a single computer or laptop95— The personal plan is designed for this exact use case, with automatic continuous
S3-compatible object storage for developers and startups88— B2 integrates with most S3 SDKs and tools, offers competitive pricing, and inclu
Collaborative team file sync and sharing30— Backblaze lacks native team collaboration features like shared folders with gran
Media professionals archiving large video and photo libraries82— B2's pay-per-GB storage is cost-effective for cold storage, and Backblaze provid
Ransomware recovery for small businesses75— Unlimited backup with versioning and the ability to restore via USB can help rec
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 Backblaze if...

  • You are: Individual users and small businesses that want a reliable, no-nonsense, and cost-effective offsite backup solution for
  • 👍 Unlimited backup for one computer at a flat annual fee, which is simpler and often cheaper than per-
  • 👍 Transparent, predictable pricing with no upfront hardware costs and a straightforward annual or mont
  • 👍 Backblaze B2 is S3-compatible, so you can use existing S3 tools and SDKs, and its egress fees are si
  • 💰 From $6/mo
  • ⚠ Trade-off: No native team collaboration features like shared folders, permissions, or activ

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 the personal backup plan truly unlimited, or are there throttles or caps?

Backblaze's personal backup plan is genuinely unlimited for one computer's internal and external drives, with no per-GB caps. However, excessive bandwidth usage may be throttled, and they require backups to run at least once every 30 days to maintain the unlimited status.

How does Backblaze B2 pricing work, and are there any egress fees?

B2 charges $6 per TB per month for storage, and you pay for transactions and egress bandwidth. Egress (downloading data) costs $0.01 per GB after the first 3 GB per day free, so heavy downloads can add up unexpectedly.

Can I restore files from my mobile device?

Yes, Backblaze's mobile app lets you browse, download, and share files from your backup, but it doesn't do a full system restore. For large restores, you can request a USB drive by mail for a refundable fee.

How long does Backblaze keep deleted or old versions of my files?

By default, Backblaze keeps deleted and changed file versions for 30 days. You can opt to extend this to 1 year or forever for an additional cost per year, which is useful for long-term versioning.

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