Proton Calendar

Proton Calendar

An end-to-end encrypted calendar from Proton, with sharing, booking pages and Proton Mail integration.

Free planiPhoneAndroidMacWindowsLinuxWeb

PriceProton Free $0; Mail Plus $3.99/month billed annually

Visit Proton Calendar

Proton Calendar screenshot from the App Store

Proton Calendar screenshot from the App Store

Proton Calendar screenshot from the App Store

We have not written a full review of Proton Calendar yet. What is here comes from its official website and app store listing.

Best for

people who want it freeprivacyevery device

Alternatives to Proton Calendar

See all 8 alternatives

Google CalendarFree, iPhone, Android, Web

The default shared calendar for most families and teams.

HEY CalendarPaid, Everywhere

A scrolling timeline calendar from 37signals, with habits, journaling and time tracking.

Notion CalendarFree, Everywhere

A fast, keyboard-friendly calendar for Google Calendar users.

VimcalFree plan, iPhone, Mac, Windows, Web

A fast, keyboard-driven calendar for people who live in back-to-back meetings.