Proton Mail - Encrypted Email
by Proton AG
Send and organize email with folders, labels and password-protected messages.
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: is Proton Mail - Encrypted Email free?
US App Store download: Free (USD), checked 2026-09-22. Open-source software; hosted services or other add-ons may have separate charges.
Screenshots
Developer-provided iOS screenshots.
Features
Proton email address
Create a @proton.me or @protonmail.com email address.
Developer’s App Store feature description (iOS)Encrypted email and attachments
Send and receive encrypted emails and attachments with ease.
Developer’s App Store feature description (iOS)Multiple accounts
Switch between multiple Proton Mail accounts.
Developer’s App Store feature description (iOS)Conversation view
Easily manage your email with conversations.
Developer’s App Store feature description (iOS)Folders, labels, and gestures
Keep your inbox tidy and clean with folders, labels and simple swipe-gestures.
Developer’s App Store feature description (iOS)Sources & verification
- Proton Mail - Encrypted Email: developer's App Store listing (US)Primary source
- Developer’s App Store feature description (iOS)Primary source
Last verified: 22 September 2026. Features not listed here may be unverified.
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