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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, 2026โ€ขReviewed 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
๐Ÿ‡บ๐Ÿ‡ธUS

US data laws

๐Ÿ‡จ๐Ÿ‡ญCH

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

๐Ÿ‡บ๐Ÿ‡ธ

Okta

VS
Switching to
Zitadel logo

Zitadel

๐Ÿ‡จ๐Ÿ‡ญ

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

  • โœ“Zitadel is EU-based, ensuring compliance with GDPR regulations.
  • โœ“Zitadel offers open-source code, allowing for custom modifications.
  • โœ“Data is stored in EU servers, reducing data transfer risks.
  • โœ“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.