# Proton Drive
https://subger.com/en/service/proton-drive
Category: Cloud Storage & Backup · Pricing verified: 2026-03-18

## Proton Drive

Proton Drive routes file-storage data through end-to-end encrypted tunnels with a published zero-knowledge architecture: every file uploaded to Proton Drive is encrypted on the user's device before transmission, with keys derived from the user's account credentials.

Pricing: Plus tier with substantially more storage, and the Proton Unlimited bundle ($9.99/month

Features:
- End-to-end encryption by default — every file, filename, and folder structure is encrypted client-side.
- AES-256-GCM authenticated encryption with PBKDF2 key derivation.
- Open-source clients — Proton Drive client source code is published on GitHub for public review.
- Secure file sharing — share files with named recipients via expiring encrypted links.
- Photo backup — automatic encrypted backup of camera roll on iOS and Android.

Pricing tiers (USD):
- Drive Plus (Monthly): 4.99/mo
- Drive Plus (Annual): 47.88/yr
- Proton Unlimited (Monthly): 12.99/mo
- Proton Unlimited (Annual): 119.88/yr

Links:
- Overview: https://subger.com/en/service/proton-drive
- Cancel guide: https://subger.com/en/cancel/proton-drive
- Deals: https://subger.com/en/deal/proton-drive

— Machine-readable summary for AI search engines. Full page: https://subger.com/en/service/proton-drive