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Auth0 vs Zitadel: Which Prioritizes Data Privacy & Security?

Discover why Zitadel from Switzerland offers a compelling alternative to Auth0 in the US with its stringent data privacy laws and security focus.

Last updated: February 6, 2026•Reviewed by Built in EU Team

Should You Switch to Zitadel?

What You Gain

Enhanced privacy and compliance with EU data regulations.

Privacy advantage
Trade-offs

Potential loss of advanced features and integrations.

Auth0 has more features
Bottom Line

Switch if privacy is your priority; stay with Auth0 for features.

At a Glance

Data Location
🇺🇸US

US data laws

🇨🇭CH

GDPR protected

Pricing

Auth0

Contact

Zitadel

Contact

Migration
Medium difficulty~2-4 hours

Privacy & Compliance Comparison

Critical data sovereignty factors at a glance

CriteriaAuth0Zitadel
Server Location
US (AWS), EU (optional)EU
GDPR Compliance
FullFull
Open Source
E2E Encryption
Enterprise onlyOptional
Data Portability
PartialFull export

CLOUD Act Notice

Auth0 is a US company and must comply with CLOUD Act data requests, even for data stored in EU data centers. Zitadel is not subject to US jurisdiction.

Switching from
Auth0 logo

Auth0

🇺🇸

Okta

VS
Switching to
Zitadel logo

Zitadel

🇨🇭

Zitadel

US Data Storage

Data subject to US CLOUD Act and may be accessed by US authorities

EU Data Protection

Data protected under GDPR with EU-only data residency

Certifications & Compliance

No certifications listed

EU-Based
GDPR Compliant
Open Source
Self-Hostable
Swiss hosted

Reasons to Switch

  • ✓Zitadel is EU-based, ensuring compliance with GDPR regulations.
  • ✓Zitadel offers open-source code, allowing for custom modifications.
  • ✓Data is stored in EU servers, reducing data transfer risks.
  • ✓E2E encryption is optional, enhancing data security for sensitive info.

Things to Consider

  • !Migration from Auth0 may require significant data transfer efforts.
  • !Zitadel's feature set may lack some advanced options found in Auth0.
  • !Learning curve for developers unfamiliar with Zitadel's architecture.
Migration difficulty:
Medium
~2-4 hours

Migration Overview

Full guide
Difficulty
Medium
Time Estimate
~2-4 hours

Depends on data size and complexity

Quick Steps

1

Create Zitadel account and configure settings

2

Export and prepare data from Auth0

3

Import data, test integrations, and migrate users

Other alternatives to Auth0

Ready to make the switch?

Start using Zitadel today and take control of your data privacy.

Auth0 vs Zitadel: Which Prioritizes Data Privacy & Security? | BuiltInEu | BuiltInEu