Head-to-head · Calendar
Doodle vs Cal.com
Which one to pick in 2026 — comparing 🇺🇸 Doodle with the European alternative 🇪🇺 Cal.com on the things that actually decide who can read your data.
🇺🇸 Doodlevs🇪🇺 Cal.com
Verdict
Who has stronger privacy guarantees by law?
Cal.com — 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?
Doodle relies on ad tracking. Cal.com doesn't.
Which one is open source?
Cal.com is open source. Doodle is proprietary.
Side-by-side
Doodle vs Cal.com — full comparison
Criteria
🇪🇺 Cal.com
🇺🇸 Doodle
Headquarters
Hamburg, Germany
Zurich
Jurisdiction
Germany / EU
Switzerland
Data location
Self-host or EU Cloud
EU
GDPR-native
Yes
Yes
CLOUD Act / FISA exposed
No
No
Ad tracking
No
Yes
End-to-end encryption
No
No
Open source
Yes
No
Ownership
Cal.com, Inc. (EU founded)
Doodle AG
Founded
2021
2007
Make the switch
Try Cal.com instead of Doodle
Open-source scheduling infrastructure
Other European alternatives to Doodle