Frontegg vs Auth0

At a glance

Auth0 is general-purpose CIAM. Frontegg is purpose-built for B2B SaaS — multi-tenant data model, account hierarchies, self-serve SSO and SCIM upsell flows are first-class.

When Frontegg wins

• B2B SaaS with mid-market and enterprise upmarket motion
• You want admin portals and tenant management out of the box
• Self-serve "upgrade to SSO" flows are a revenue lever
• Multi-tenant data model native to the product

When Auth0 wins

• B2C or mixed B2B/B2C identity
• You need protocol breadth beyond the B2B SaaS pattern
• Enterprise certifications that Frontegg may not match yet
• Existing Okta relationship

Verdict

For B2B SaaS specifically, Frontegg is the sharper tool. For mixed use cases or larger enterprises, Auth0's breadth wins.