Best Auth Identity · head-to-head
Auth0 vs Clerk
A sourced, side-by-side comparison for auth identity. Auth0 has the lower entry price. Every figure links to the public page it was captured from — the vendor's own wherever the vendor publishes the number, otherwise the named public source — with the date we captured it.
Auth0 has the lower entry price — Auth0 starts at $0/mo, Clerk at $0/mo. Free tier: Auth0 Yes, Clerk Yes. HIPAA: Auth0 Yes, Clerk No.
As of 2026-11-01 · figures link to their source below
Side by side
Auth0
$0/mo entryClerk
$0/mo entrySources — Auth0: auth0.com (verified 2026-11-01) · Clerk: clerk.com (verified 2026-11-01)
Key features
Auth0: Universal Login with no-code Forms editor; Adaptive MFA and attack protection; Serverless Actions for identity customization; Machine-to-machine (M2M) auth; Highly Regulated Identity for sensitive industries
Clerk: Drop-in React UI components with full customization; Prebuilt device session management; MRU-based billing (not just MAU — counts returning users); All Pro features available in dev instances before committing; SAML/OIDC enterprise connections on Pro+