Proton Drive is open-source, independently audited, and backed by Swiss privacy law, integrating seamlessly with ProtonMail, Proton VPN, and Proton Calendar.
Each app below addresses a specific gap in Proton Drive's offering. We picked them based on real user review patterns and feature differentiation.
MEGA provides end-to-end encryption by default with 20 GB free storage — significantly more than Proton Drive's 1 GB free tier. It includes MEGA Chat for encrypted messaging and has desktop and mobile clients for all major platforms.
Explore MEGA data →Sync.com includes zero-knowledge encryption on all plans with 5 GB free. It is a dedicated storage product without the multi-app ecosystem of Proton, but offers competitive pricing and Canadian data residency.
Explore Sync.com data →Tresorit offers zero-knowledge encryption with GDPR, HIPAA, and ISO 27001 compliance. Owned by Swiss Post, it is a strong option for regulated industries. Higher pricing reflects its enterprise compliance feature set.
Explore Tresorit data →Filen is open-source and audited with 10 GB free and competitive pricing. It is a newer service built specifically for privacy, with a clean interface and end-to-end encryption on all plans. Less mature ecosystem than Proton.
Explore Filen data →pCloud offers 10 GB free, lifetime payment options, and optional zero-knowledge encryption via its Crypto add-on. It has fast CDN-powered transfers and a virtual drive that mounts without syncing all files.
Explore pCloud data →Google Drive offers 15 GB free, real-time document collaboration, and AI-powered features. It is not zero-knowledge and Google can read your files, but offers unmatched integration with Gmail, Calendar, and Docs.
Explore Google Drive data →Proton Drive is based in Geneva, Switzerland, and is subject to some of the strongest privacy laws in the world. All apps are open-source on GitHub.
Yes. Proton Drive has a free tier with 1 GB of storage shared across your Proton account. Paid Proton plans start at $3.99/mo and include 15 GB+ Drive storage along with ProtonMail and other Proton services.
Yes. All Proton Drive apps (web, iOS, Android, desktop) are open-source on GitHub, allowing independent security audits. Proton has also published third-party audits of its cryptographic implementations.
Yes. Proton Drive supports encrypted file sharing, shared drives for teams, and Proton Docs for real-time collaborative document editing with end-to-end encryption. Business plans are available for teams.
App Vulture monitors privacy-focused cloud storage apps by security audit status, update frequency, and user ratings. See our full comparison above for current recommendations.
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