Choose Auth0 if you need
- HIPAA. We haven't found it on ZITADEL's website.
At a glance
- Both have a free plan.
- Auth0's lowest paid plan is Essentials at $35, as of October 19, 2026.
- ZITADEL's lowest paid plan is Pro at US$ 100 per month, as of October 28, 2026.
- Both list SSO.
- Only Auth0 lists HIPAA.
- Only ZITADEL lists GDPR.
- Both have a public API.
From each tool's own website, checked on the dates below, and from published reviews.
Which to choose
From the facts checked for both tools, not from opinion. A fact we haven't confirmed for one of them is never counted.
Choose ZITADEL if you need
- GDPR. We haven't found it on Auth0's website.
Auth0
Nobody has reviewed Auth0 yet. Its rating shows once it has 3 reviews.
Review Auth0ZITADEL
Nobody has reviewed ZITADEL yet. Its rating shows once it has 3 reviews.
Review ZITADELThe facts
- What it does
- Auth0Authentication and authorization platform to secure users, AI agents and more
- ZITADELZITADEL is the identity infrastructure platform built for developers and all users and applications.
- Free plan
- Auth0Yes
- ZITADELYes
- Pricing
- Auth0Not confirmed
- ZITADELMonthly plan based on daily active users
- Paid plans from
People who switched
Reviewers who say they used one of these before the other.
No reviewer has said they moved between Auth0 and ZITADEL yet.
Used either of them?
Your review makes this comparison better for the next person. Review Auth0 or review ZITADEL.