Backblaze vs Proton

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

⚖️ Editor's verdict
🏆 Backblaze wins by 33 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

View Details
Proton
Proton
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 $5

🔧 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.

💰 Hidden costs

The 25% first-year discount applies only to paid plans, and recurring renewals jump to standard pricing. Free VPN has a 10GB monthly data cap. Free Drive has 5GB storage and no file versioning; erasing files can take up to 14 days. Extra email aliases, more storage, and Hide-My-Email aliases require a paid plan.

📚 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

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📊 Use Case Suitability

Higher score = better fit. Scores from editorial review.

Use CaseBackblazeProton
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 file storage for sensitive documents—90 Proton Drive uses end-to-end encryption and zero-access architecture, meaning ev
Confidential email communication with clients—85 Proton Mail offers secure encrypted inboxes and password-protected messages for
Privacy-conscious browsing on public Wi-Fi—80 The built-in VPN provides encrypted tunneling on public networks at no cost, and

🧭 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 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

❓ 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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