Comparison
Clerk vs Auth0 vs Supabase Auth
Three ways to add auth without building it.
1 min readupdated 2026-07-04
/ quick answer
Clerk optimizes for developer + user UX in JS apps. Auth0 is the enterprise-grade veteran. Supabase Auth is included with any Supabase project. Three ways to add auth without building it.
Three ways to add auth without building it. Clerk optimizes for developer + user UX in JS apps. Auth0 is the enterprise-grade veteran. Supabase Auth is included with any Supabase project. Recommendation: Clerk for velocity in JS apps. Auth0 for enterprise mandates. Supabase Auth if you're already in the Supabase stack. This comparison node is part of the Onexial knowledge graph and links to related concepts, workflows and tools below.
Overview
Clerk optimizes for developer + user UX in JS apps. Auth0 is the enterprise-grade veteran. Supabase Auth is included with any Supabase project.
Differences
| Dimension | Option A | Option B |
|---|---|---|
| DX | Best in JS (Clerk) | Enterprise (Auth0) / Bundled (Supabase) |
| Cost | $$ (Clerk) | $$$ (Auth0) / Free with Supabase |
| Enterprise (SAML, MFA) | Yes (Clerk) | Best (Auth0) / Growing (Supabase) |
Use Cases
- →React/Next.js SaaS → Clerk
- →Regulated enterprise → Auth0
- →Already on Supabase → Supabase Auth
Recommendation
Clerk for velocity in JS apps. Auth0 for enterprise mandates. Supabase Auth if you're already in the Supabase stack.
/ frequently asked
What is the difference in Clerk vs Auth0 vs Supabase Auth?
Clerk optimizes for developer + user UX in JS apps. Auth0 is the enterprise-grade veteran. Supabase Auth is included with any Supabase project.
What are the main points of comparison?
DX: Best in JS (Clerk) vs Enterprise (Auth0) / Bundled (Supabase) · Cost: $$ (Clerk) vs $$$ (Auth0) / Free with Supabase · Enterprise (SAML, MFA): Yes (Clerk) vs Best (Auth0) / Growing (Supabase)
Which one should I choose?
Clerk for velocity in JS apps. Auth0 for enterprise mandates. Supabase Auth if you're already in the Supabase stack.
↳ connected nodes
Comparison↳ linked
Supabase vs Firebase
Open-source Postgres backend vs Google's managed app platform.
Comparison↳ linked
Supabase vs Firebase vs Convex
SQL, NoSQL, and reactive — three BaaS shapes.
Comparison↳ linked
Resend vs Postmark vs SendGrid
Transactional email at three levels of polish and scale.
Dictionary↳ linked
AI Agent
An autonomous AI system that plans and executes multi-step tasks.
Dictionary↳ linked
RAG (Retrieval-Augmented Generation)
Inject external knowledge into an LLM at query time.
Dictionary↳ linked
Prompt Chaining
Pipelining LLM calls where each step's output feeds the next.