Head-to-head · Calendar
Google Calendar vs Teamup
Which one to pick in 2026 — comparing 🇺🇸 Google Calendar with the European alternative 🇪🇺 Teamup on the things that actually decide who can read your data.
🇺🇸 Google Calendarvs🇪🇺 Teamup
Verdict
Who has stronger privacy guarantees by law?
Teamup — GDPR-native and outside the US CLOUD Act / FISA 702 reach.
Which one encrypts your data end-to-end by default?
Neither ships full E2E by default — check the table for nuance.
Which one tracks you for ads?
Neither monetises through ad tracking.
Which one is open source?
Teamup is not fully open source — check details.
Side-by-side
Google Calendar vs Teamup — full comparison
Criteria
🇪🇺 Teamup
🇺🇸 Google Calendar
Headquarters
Germany
Mountain View, USA
Jurisdiction
EU
USA
Data location
EU
Global
GDPR-native
Yes
No
CLOUD Act / FISA exposed
No
Yes
Ad tracking
No
No
End-to-end encryption
No
No
Open source
No
No
Ownership
Private
Alphabet Inc.
Founded
2010
2006
Make the switch
Try Teamup instead of Google Calendar
A flexible and user-friendly online calendar solution.
Other European alternatives to Google Calendar