Sync.com delivers zero-knowledge encryption on every plan, meaning your files are private by default — not as a paid add-on.
Each app below addresses a specific gap in Sync.com's offering. We picked them based on real user review patterns and feature differentiation.
pCloud offers a generous 10 GB free tier, unique one-time lifetime plans, and optional zero-knowledge encryption via its Crypto add-on. It supports all major platforms and has fast transfer speeds with its proprietary CDN.
Explore pCloud data →MEGA provides end-to-end encryption by default on all files and gives 20 GB free. It includes MEGA Chat for encrypted messaging and has browser, desktop, and mobile clients. Transfer quotas apply on the free plan.
Explore MEGA data →Tresorit is a Swiss-based zero-knowledge cloud storage service designed for businesses with strict compliance needs. It offers detailed access controls, remote wipe, and compliance with GDPR, HIPAA, and ISO 27001. Pricing is higher but reflects its enterprise feature set.
Explore Tresorit data →Proton Drive uses end-to-end encryption tied to the same Swiss-based Proton ecosystem as ProtonMail and Proton VPN. It is open-source, audited, and offers 1 GB free with paid plans starting at 1 GB. Drive integrates with Proton Docs for encrypted document editing.
Explore Proton Drive data →Filen is an open-source, zero-knowledge cloud storage service built in Germany. It offers 10 GB free, client-side encryption, and a clean interface. Filen is newer than competitors but has been growing with a strong privacy-first reputation.
Explore Filen data →Google Drive offers 15 GB free and seamless integration with Docs, Sheets, and Gmail. It is not zero-knowledge — Google can access your files — but offers strong reliability, powerful search, and AI-powered features like Gemini.
Explore Google Drive data →Sync.com is headquartered in Toronto, Canada, and is subject to PIPEDA privacy law rather than US surveillance statutes.
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