Download Proton Calendar
Download the Proton Calendar app to get secure access to your encrypted calendar from your device.
Download mobile apps
Get the Proton Calendar app for your iOS or Android device.
Android app
Download the Proton Calendar app for Android to get secure access to your encrypted calendar on the go from your Android device. You can also download the app (APK) directly here.
Download desktop apps
Get the full Proton Mail and Calendar experience from the convenience of your desktop, or simply use our web app.
FREE TRIAL
macOS app
Download the Proton Mail app for macOS to get secure access to your encrypted email and calendar on your Mac.
FREE TRIAL
Windows app
Download the Proton Mail app for Windows to get secure access to your encrypted email and calendar on your PC.
BETA, FREE TRIAL
Linux app
Download the Proton Mail app for Linux to get secure access to your encrypted email and calendar on your Linux device.