Download Proton Calendar APK

Why use Proton Calendar?

  • Secured by strong encryption: A calendar is a record of your life and contacts, and it contains some of your most sensitive online data. Proton Calendar helps you keep it safe automatically.
  • End-to-end encryption: With Proton Calendar, all of an event’s critical information, like the title, description, location, and attendees, are stored securely and privately with end-to-end encryption.
  • Easy-to-use: encryption is done automatically and is completely invisible to the user
  • Free: Proton Calendar is 100% free, no catches. If you like our project, you can donate or upgrade to a premium account
INFO For advanced users with special security needs, the Proton Calendar APK can be downloaded below. Only download this application if you know what you're doing.
Proton Calendar Android APK
This SHA256 fingerprint of the signing certificate can be used to verify the downloaded APK: