Compare / Auth0
IdRa vs Auth0.
Different jobs, mostly. Here’s where they overlap.
$0IdRa, up to 100 users, apps and servers
25,000Monthly active users on Auth0’s free plan
$35Auth0 Essentials, per month, up to 500 active users
The short version.
Choose IdRa if
- Your own staff sign in to the apps they use at work
- You want SSO, MFA, a directory and SCIM with nothing to count and no plan to outgrow
- You host organizations for customers, and want a database for each
- You’re leaving Okta and have scripts written against its API
What you get
- Eleven authenticators on every plan
- SAML and OIDC apps with no count
- A database, address and signing keys for each organization
- An open source codebase under the MIT license
Side by side.
Every Auth0 cell links to the page it came from. IdRa’s side comes from reading its code.
| Capability | Auth0 | IdRa | What you get |
|---|---|---|---|
| Cost | |||
| Published price | Free up to 25,000 monthly active users. Essentials from $35 and Professional from $240 a month, each listed up to 500 active users. Enterprise by contact. Auth0 pricing | Included | Hosted IdRa is free forever up to 100 users, apps and servers per org. Growth is $249/mo up to 500 users, Business is $699/mo up to 2,000, and Enterprise starts at $25k/yr. No feature is ever held back on any plan. |
| Enterprise connections, self-service SSO, SCIM | Free includes 1 enterprise connection, self-service SSO and SCIM. Essentials says to upgrade to B2B to keep using them. Auth0 pricing | Included | All included. SAML and OIDC apps have no count. |
| Sign-on | |||
| SAML | Can serve as the identity provider, the service provider or both. Supported options include Single Logout. SAML docs | Included | As an identity provider, SP- and IdP-initiated. Accepts external SAML providers. Single Logout when the app starts it. |
| OpenID conformance | A certified FAPI OpenID Provider for two FAPI 1 Advanced profiles. Compliance docs | Included | We run the OpenID conformance suite ourselves, with no failures. |
| Organizations | Represent business customers and partners. 5 on Free, 10 on Essentials. Organizations docs Auth0 pricing | Included | Each organization has its own Postgres database, address and signing keys. |
| Authentication and threats | |||
| MFA factors | Push, SMS, voice, one-time passwords, WebAuthn, email, Cisco Duo and recovery codes. Some are only on Professional and Enterprise. MFA docs | Included | Eleven authenticators, none held back for a plan. |
| Passkeys | For database connections, on the web and in native apps. Passkeys docs | Included | Sign-in and step-up. |
| Attack protection | Brute-force protection, suspicious IP throttling and bot detection. Basic on Free, enhanced on Professional. Attack protection docs Auth0 pricing | Included | Lockout, rate limits, threat feeds, a password-spray detector, risk rules and global sign-out, all included. |
| Breached passwords | Blocks passwords that appear in breach lists from third-party sites. Attack protection docs | Included | Checked whenever a password is set, on every organization. |
| SCIM | Inbound, for selected enterprise identity providers. SCIM docs | Included | Inbound for users and groups, with PATCH and deprovisioning. Outbound create, update, deactivate, reactivate, opt-in delete and group push. |
| Extending it | |||
| Streaming logs | To services such as Datadog, Splunk and Sumo Logic, or a custom webhook. 1 stream on Essentials, 2 on Professional, none on Free. Log streams docs Auth0 pricing | Included | To a Splunk HTTP Event Collector or any HTTPS endpoint. |
| Your own domain | 1 on Free with credit card verification. Included on paid plans. Auth0 pricing | Included | Add it under Customizations → Domains and prove ownership with a DNS TXT record. |
| How it’s delivered | |||
| Where it runs | Public Cloud, or Private Cloud: a dedicated managed service on AWS or Azure. Private Cloud docs | Included | Hosted at idra.team, or one Bun process and Postgres on your own infrastructure. |
Auth0’s prices are the B2C plans on its pricing page. Its B2B plans are priced separately and aren’t compared here. Fetched October 30 and 31, 2026. Details change, so check Auth0’s current documentation.
Common questions.
Is Auth0 free?
It has a free plan: Auth0’s pricing page lists up to 25,000 monthly active users, with limits such as 5 organizations and 1 enterprise connection. Paid plans start at $35 a month. IdRa is free up to 100 users, apps and servers per org, and its plans start at $249 a month.
Who is IdRa built for?
A company’s own people: employees, contractors and partners, signing in to the apps they use at work.
Can I use both?
The standards allow it: Auth0 can act as a SAML identity provider, and IdRa accepts external OIDC and SAML providers.
Create your organization.
Pick an address and confirm your email, then sign in as its first admin. A setup wizard takes you through the rest.
