End-to-end encrypted cloud storage from the makers of ProtonMail.
Proton Drive is a cloud storage platform founded in 2022 with a hiltonsoftware Score of 80/100. Proton Drive pricing starts at $3.99/mo/month with a free plan available. Proton Drive serves 100M+ (Proton ecosystem) users and competes with Google Drive, Dropbox, and OneDrive in the cloud storage market. Key Proton Drive features include End-to-end encryption, Proton ecosystem integration, and File sharing. hiltonsoftware.co rates Proton Drive 4.4/5 based on user ratings (40%), feature depth (25%), value for money (20%), market presence (10%), and growth trajectory (5%).
Proton users wanting encrypted cloud storage integrated with ProtonMail.
Reviewed by Sarah Mitchell, Cloud & Developer Tools Editor. Last updated: March 2026. Pricing verified. Methodology