This post documents ProtonMail’s iOS security model and illustrates how our application protects sensitive data on client iOS devices. The advantages and limitations of this approach are discussed, and the source code can be viewed here. You can also ProtonMail’s iOS open source announcement. You can also read our previously published ProtonMail threat model, which …

We have released version 1.7 of the award winning ProtonMail iOS secure email mobile app. This release brings a new feature that has been much demanded from the user community, the ability to share directly to the ProtonMail App. Sharing ProtonMail has long supported encrypted attachments. Now, you can share files securely directly from the …

The ProtonMail iOS secure email app brings language support for German, French, Russian, Spanish, Turkish, Polish, Ukrainian, and Dutch. DOWNLOAD IT FROM  It is still possible to register for the ProtonMail Mobile Beta Program. Not only is this a great way to support ProtonMail, you will be able to get early access to the newest …