ProtonCalendar

Download Proton Calendar

Your calendar is a record of your life and all its events. Keep it secure and private. Download the Proton Calendar app for your device.

If you cannot or don't want to use the Google Play Store, you can download the Android App (APK) directly here, using the following SHA256 fingerprint of the signing certificate to verify the downloaded APK:
DC:C9:43:9E:C1:A6:C6:A8:D0:20:3F:34:23:EE:42:BC:C8:B9:70:62:8E:53:CB:73:A0:39:3F:39:8D:D5:B8:53