Proton Mail - Encrypted Email

What it does

Send and organize email with folders, labels and password-protected messages. The developer describes end-to-end and zero-access encryption and publishes the app's source code.

Pricing

US App Store download: Free (USD), checked 2026-09-22. Open-source software; hosted services or other add-ons may have separate charges.

Sources & verification

• Proton Mail - Encrypted Email — developer's App Store listing (US) ↗Primary source

Last verified: 22 September 2026. Features not listed here may be unverified.

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