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.

Web app

Get secure access to your calendar directly from your browser and keep your event details private.

Web login

Android app

Download the Proton Calendar app for Android to get secure access to your calendar on your Android devices. If you cannot or don't want to use the Google Play Store, you can download the app (APK) directly here. Here you can see the SHA256 fingerprint .

iOS app

Download the Proton Calendar app for iOS to get secure access to your calendar on the go from your iPhone.

Decide who sees your calendar and when

Whether you’ve scheduled an interview, a doctor’s appointment, or a meetup with friends, you control who gets access to that information.

Create a free account

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