Backblaze B2 vs Proton Drive 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

Backblaze B2

0.0 (0 reviews)

Backblaze B2 is a specialized cloud storage service providing high-performance, S3-compatible object storage for developers and businesses looking to store, backup, and serve data at a fraction of traditional costs.

Starting at Free
Free Trial NO FREE TRIAL
VS

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

Quick Comparison

Feature Backblaze B2 Proton Drive
Website backblaze.com proton.me
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 ✓ Request demo here ✘ No product demo
Deployment cloud saas mobile desktop
Integrations Veeam Synology QNAP Cyberduck rclone Fastly Cloudflare Commvault Veritas MSP360 Proton Mail Proton Calendar Proton Pass Proton VPN
Target Users small-business mid-market enterprise freelancer solopreneur small-business
Target Industries
Customer Count 0 0
Founded Year 2007 2014
Headquarters San Mateo, USA Geneva, Switzerland

Overview

B

Backblaze B2

Backblaze B2 provides you with reliable, S3-compatible object storage that simplifies how you manage large-scale data. Whether you are looking to store media assets, maintain offsite backups, or power your application's backend, you can scale your storage infinitely without the complexity or high price tags of traditional providers. You only pay for what you actually use, making it an ideal choice for growing businesses that need to manage costs while maintaining high availability.

You can easily integrate the platform into your existing workflows using the S3-compatible API, CLI, or a wide range of third-party integrations. It solves the problem of unpredictable cloud bills by eliminating hidden fees and offering free egress up to certain limits. It is particularly effective for IT professionals, developers, and creative agencies who need a dependable place to park terabytes of data securely.

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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.

Overview

B

Backblaze B2 Features

  • S3-Compatible API Connect your existing applications and tools effortlessly using the industry-standard S3-compatible API for seamless data migration.
  • Object Lock Protect your data from ransomware and accidental deletion by making files immutable for a specific period you define.
  • Cloud Replication Automatically sync your data across different regions to ensure high availability and meet your specific compliance requirements.
  • B2 Reserve Manage your budget effectively with capacity-based pricing that includes free egress and predictable monthly billing cycles.
  • Snapshot Creation Create point-in-time versions of your buckets so you can recover specific data sets quickly after an incident.
  • Universal Data Migration Move your data from other cloud providers or on-premise servers into B2 with automated transfer services.
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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.

Pricing Comparison

B

Backblaze B2 Pricing

Free Storage
$0
  • 10GB of free storage
  • Unlimited buckets
  • S3-compatible API access
  • 1GB daily free egress
  • Community support
P

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

Pros & Cons

M

Backblaze B2

Pros

  • Significantly lower cost than AWS or Azure
  • Simple and transparent pricing with no hidden fees
  • Easy setup with S3-compatible API support
  • Reliable performance for backup and archiving tasks
  • Excellent documentation for developers and engineers

Cons

  • Fewer global data center regions than giants
  • Web interface can feel basic for advanced users
  • Download speeds may vary during peak times
A

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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