Proton Calendar: Secure Events

A calendar is a record of your life: Proton Calendar helps keep it private.

Make the most of your time

- See your upcoming events as you like with agenda or day view

- View and reply to invites

- Events and invites are automatically added to your calendar from your Proton Mail inbox

- View your schedule in light or dark mode

- Add multiple reminders for your events

- Create recurring events on a daily, weekly, monthly, yearly, or custom basis

- Keep your calendar in sync across all your devices

Private by default

- No ads, no trackers, and no data harvesting

- We can’t spy on your calendar or misuse your data

- Protected by the same end-to-end encryption used in Proton Mail

- Event names, descriptions, and participants are stored with zero-access encryption

- Based in Switzerland, all your data is protected by strict Swiss privacy laws

People before profits

- Funded by users, not advertisers — Privacy is our business model

- Built by scientists and engineers who met at CERN and MIT and founded Proton Mail

- Used by high-profile journalists and organizations globally

What others say about Proton:

“Proton has now made it stupid-easy to encrypt your schedule. Information about what you plan to do, where, and with whom, can be just as sensitive as the messages you send and receive.” Gizmodo

Follow Proton on social media for all the latest news and offers:

Facebook: /proton

Twitter/X: @protonprivacy

Reddit: /protonmail

Instagram: /protonprivacy

EULA: http://www.apple.com/legal/itunes/appstore/dev/stdeula