Proton Mail - Encrypted Email
Proton AG
About
Proton Mail is an encrypted email app that protects your communications with end-to-end encryption, making messages unreadable to anyone except sender and recipient. Create a @proton.me or @protonmail.com address, send and receive encrypted emails and attachments, manage multiple accounts, and organize your inbox with folders, labels, and swipe gestures. The app uses zero-access encryption so Proton cannot decrypt your messages, includes open-source cryptography vetted by security experts, and offers phishing, spam, and tracking protection. Dark mode and password-protected emails are also available.
Highlights
- End-to-end encryption on all messages and attachments, with zero-access architecture preventing Proton from decrypting your emails
- Create @proton.me or @protonmail.com addresses and switch between multiple Proton Mail accounts
- Send password-protected emails to anyone and manage inbox with folders, labels, and swipe gestures
- Open-source cryptography using AES, RSA, and OpenPGP, vetted by security experts worldwide
- Phishing, spam, and tracking protection on all communications
Best for
People seeking private email communication who want encryption that prevents even the email provider from reading their messages. Suitable for anyone concerned about email privacy, surveillance, or targeted advertising based on inbox content.
At a glance
Proton Mail - Encrypted Email is rated 4.7 out of 5 from 32,991 ratings and is available on iOS and Android — all free to download.
It is developed by Proton AG.
Screenshots
Frequently Asked Questions
- Is Proton Mail - Encrypted Email free?
- Yes — Proton Mail - Encrypted Email is free to download on iOS and Android.
- What platforms is Proton Mail - Encrypted Email available on?
- Proton Mail - Encrypted Email is available on iOS and Android.
- What is Proton Mail?
- Proton Mail is an encrypted email app that uses end-to-end encryption to protect your communications. Messages are encrypted on your device using a key Proton does not have access to, making it impossible for Proton or outside parties to read your emails.
- Can Proton Mail read my emails?
- No. Proton Mail uses zero-access encryption, meaning your data is encrypted in a way that makes it inaccessible to Proton. Your encryption key is stored on your device, not on Proton's servers, so Proton has no technical ability to decrypt your messages.
- Can I send encrypted emails to non-Proton Mail users?
- Yes. You can send password-protected emails to anyone, regardless of whether they use Proton Mail. Recipients can open the email by entering the password you set.
- What encryption does Proton Mail use?
- Proton Mail uses open-source implementations of AES, RSA, and OpenPGP encryption. All cryptographic libraries are open source, allowing security experts worldwide to verify that the encryption has no hidden back doors.
- What are the alternatives to Proton Mail - Encrypted Email?
- Proton Mail - Encrypted Email is similar to Mullvad VPN, Thunderbird: Free Your Inbox, K-9 Mail, and Proton Authenticator. Browse related apps by tag: open source, email client, privacy, and encryption.