
What this means is that no one else except you can see your calendar events. However, the most important feature is the end-to-end encryption - which encrypts all details such as the event title, description, location, and participants.

This calendar app allows you to create, edit, and delete events, and as said before, allows you to manage up-to 10 calendars. Proton Calendar, as expected, offers all the usual features that other calendar services provide. Proton Calendar App for Android and Features On the other hand, the Android app syncs data with the regular web app. Further, it allows users to manage up to 10 calendars. On top of that, the Proton Calendar also allows users to migrate all their existing calendar events and critical information from other calendar services.

The highlight of this calendar service is that it offers the same end-to-end encryption as ProtonMail and ProtonDrive.
