Everything you need to keep your schedule private
Protected by the same end-to-end encryption used in Proton Mail, Proton Calendar has all the features you need to manage your events easily.
Need a secure calendar for work? Discover Proton for Business.
Mobile apps
Manage your schedule
Make every day safer
Advanced features
Stay in sync
The world’s largest encrypted calendar service
Across devices and apps
Easily import your calendar to Proton Calendar and stay on top of your schedule securely across all your devices and Proton apps.
Organise from any device
Proton Calendar is always in sync across your devices with apps for the web, Android and iOS.
Do more with Proton Mail
Manage invitations without leaving your Proton Mail inbox. Quickly add events received by email, such as flights, meetings, or concerts.
Stay on top of your schedule
Make every day safer
Categorize work and family events with separate calendars
Create separate calendars for any purpose to make sure you don't miss what's coming up while keeping your schedule tidy.
Share your calendar
Share your calendars with your family, friends, or colleagues via a link or by inviting them directly. Choose to display just your availability or the full details of your calendar.
Stay in sync with friends, family, or your team
Share your calendar as you see fit, know when others are available, and send them invitations.
Paid plan required
Show when you’re available
Share your calendar with your family, friends, or colleagues via a link. Choose to display just your availability or the full details of your calendar.
Check everyone’s schedule at a glance
Subscribe to a family member's, friend's, or team's schedule, even if they use another calendar service.
Manage your contacts right from your calendar
Use our Contacts widget to add, remove, merge, or import encrypted contacts with a single click. You can also directly add contacts to an event.
Protect your communications with user-friendly encrypted email.
Save time scheduling and stay organized with shared calendars for you and your family.
Collaborate securely, share large files, and back up your data automatically.
High-speed VPN that allows you to bypass censorship and other content restrictions.
Securely store, share, and auto-login to your accounts using end-to-end encryption.
Choose a wallet that’s transparent, open source, and puts you in control.