Calendar · Switzerland (CH)
Proton Calendar
Encrypted calendar from Proton.
The switch
Google Calendar→Proton Calendar
About
Fully encrypted calendar that integrates with Proton Mail. Even event titles and notes are E2E encrypted.
Why we recommend it
- End-to-end encryption
- Swiss hosting
- Free tier
EU vs USA
Proton Calendar vs Google Calendar
Side-by-side on jurisdiction, data residency, and the rules that decide who can actually read your data.
Criteria
🇪🇺 Proton Calendar
🇺🇸 Google Calendar
Headquarters
Geneva, Switzerland
Mountain View, USA
Jurisdiction
Switzerland
USA
Data location
Switzerland
Global
GDPR-native
Yes
No
CLOUD Act / FISA exposed
No
Yes
Ad tracking
Yes
No
End-to-end encryption
Yes
No
Open source
Yes
No
Ownership
Proton AG
Alphabet Inc.
Founded
2018
2006
Compare head-to-head