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Encrypted. Independent. Swiss-secure.
Proton Mail is a privacy-first email service built with end-to-end encryption, zero-access security, and Swiss data protection. Designed for users who want control, anonymity, and freedom from tracking, it delivers a clean, secure, and modern email experience across all platforms.
Proton Mail for iOS Old Versions
Just click on any of these versions to start downloading immediately.
Some version may not be available for download for security reason.
Currenly, no versions are available. But we will add some soon. Thank you for staying with us.
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Encrypted. Independent. Swiss-secure.
Proton Mail is a privacy-first email service built with end-to-end encryption, zero-access security, and Swiss data protection. Designed for users who want control, anonymity, and freedom from tracking, it delivers a clean, secure, and modern email experience across all platforms.