SAASAF.AI
Directory Vendors Resellers Pricing Academy Blog Get Early Access

Auth0 vs Supabase - Detailed Comparison 2026

An in-depth, side-by-side comparison covering features, pricing, pros, cons, and use cases to help you choose the right tool.

Our Verdict: Auth0 vs Supabase

Supabase holds a slight edge in user satisfaction with a rating of 4.7/5 compared to Auth0's 4.4/5. When it comes to features, Auth0 offers 7 capabilities while Supabase provides 6. Auth0 differentiates with Universal Login and Social Login, while Supabase stands out with Postgres Database and Authentication. On pricing, Auth0 is the more budget-friendly option at $23/month compared to Supabase at $25/month, though both offer free tiers for users who want to try before committing.

At a Glance

Auth0

Flexible authentication and authorization platform for developers

4.4/5

$[object Object]

Visit Auth0
VS

Supabase

Open-source Firebase alternative with Postgres

4.7/5

$[object Object]

Visit Supabase

Full Side-by-Side Comparison

Criteria Auth0 Supabase
Rating 4.4/5 4.7/5
Pricing Model Freemium Freemium
Starting Price $[object Object] $[object Object]
Free Tier Yes Yes
AI-Powered No No
Platforms web web
Founded 2013 2020
Company Size 1000+ 51-200
Integrations 5+ 4+
Affiliate Program No No
Actions
Anomaly Detection
Authentication
Edge Functions
Mfa
Postgres Database
Rbac
Realtime
Sdks
Social Login
Storage
Universal Login
Vector Embeddings

Pricing: Auth0 vs Supabase

Auth0 Pricing

Freemium

$[object Object]

Free tier available

Billed monthly

Auth0 offers a freemium pricing model starting at $23/month. A free tier is available with limited features.

Supabase Pricing

Freemium

$[object Object]

Free tier available

Billed monthly

Supabase offers a freemium pricing model starting at $25/month. A free tier is available with limited features.

Pros and Cons

Auth0 Pros

  • Best-in-class developer experience for customer identity
  • Universal Login handles security so developers don't have to
  • Free tier supports 7,500 monthly active users
  • Actions enable custom auth-time logic in Node.js
  • Strong adaptive MFA and bot detection

Auth0 Cons

  • Pricing changes have moved features to higher tiers
  • B2B Organizations features less mature than B2C
  • Costs scale steeply once past free tier
  • Acquisition by Okta caused some product velocity concerns

Supabase Pros

  • Real Postgres with full SQL, joins, and extensions
  • Auth, Realtime, Storage, and Functions in one platform
  • Open source - self-host the entire stack
  • Generous free tier supports real production projects
  • Best-in-class AI/vector embedding support via pgvector

Supabase Cons

  • Cold starts on free-tier projects after inactivity
  • Edge Functions runtime is Deno-only
  • Self-hosting Realtime and Studio requires effort
  • Pricing scales with compute, storage, and egress

Who Should Choose Which?

Choose Auth0 if...

Best for: Auth0 is best for SaaS developers who want to outsource customer identity and avoid building auth themselves. B2C and freemium SaaS apps benefit most from the free tier and Universal Login.

Ideal for: smb, mid-market, enterprise

Industries: technology, saas, fintech, healthcare

Choose Supabase if...

Best for: Supabase is best for indie hackers, AI-native startups, and SaaS founders who want a Postgres backend with auth and realtime out of the box. Teams building RAG and vector-search features benefit most.

Ideal for: individual, smb, mid-market

Industries: technology, saas

Platform Availability

Auth0

Web-based application accessible via any browser. No dedicated desktop or mobile apps are currently offered.

Supabase

Web-based application accessible via any browser. No dedicated desktop or mobile apps are currently offered.

Get Started with Auth0

Flexible authentication and authorization platform for developers

Visit Auth0

Get Started with Supabase

Open-source Firebase alternative with Postgres

Visit Supabase