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

Auth0 vs Supabase - Detailed Comparison 2026

Supabase is rated slightly higher on SAASAF.AI (4.7/5 vs 4.4/5). Auth0 starts at $23/month and has a free tier. Supabase starts at $25/month and has a free tier.

Which Is Better, Auth0 or 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 ✗ ✓

How Much Do Auth0 and Supabase Cost?

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.

  • You need Authentication
  • You need Authorization
  • You need User Management
  • You need API Management

Ideal for: smb, mid-market, enterprise

Industries: technology, finance, 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

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

Auth0 vs Supabase: Frequently Asked Questions

Is Auth0 or Supabase better?

Supabase is rated slightly higher on SAASAF.AI, at 4.7/5 versus 4.4/5 for Auth0, but the better pick depends on your use case. Auth0 is best for SaaS developers who want to outsource customer identity and avoid building auth themselves. 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.

How does Auth0 pricing compare to Supabase?

Auth0 is cheaper to start, at $23/month versus $25/month for Supabase. Both use a freemium pricing model. Both offer a free tier. Listed figures are starting prices; seats, usage and add-ons can change the final bill. Check each vendor's pricing page for current plan limits before you buy.

What is the difference between Auth0 and Supabase?

Auth0 (by Okta) is an identity platform that provides authentication and authorization services. Supabase is an open-source backend-as-a-service built on top of PostgreSQL. Auth0 lists features such as Universal Login, Social Login and Mfa. Supabase lists Postgres Database, Authentication and Storage.

What are alternatives to both Auth0 and Supabase?

Alternatives to Auth0 include Okta (4.4/5) and Cloudflare (4.6/5). Alternatives to Supabase include Neon (4.6/5) and PlanetScale (4.5/5). Cloudflare has a free tier. Neon has a free tier. Each tool has a full alternatives page on SAASAF.AI with pricing and feature comparisons.

What platforms do Auth0 and Supabase support?

Auth0 and Supabase are both available on Web. Auth0 integrations listed on SAASAF.AI include Amazon Web Services, Azure and Salesforce. Supabase integrations include Vercel, Netlify and GitHub. Auth0 lists 5 integrations and Supabase lists 4 in the SAASAF.AI directory. Both are delivered as SaaS, so most features work from a web browser.