Clerk vs Supabase: Full Comparison (2026)
Pricing, features, scores, and a clear verdict on which one is right for you.
The bottom line
Clerk positions itself as "authentication built for modern react and next.js apps" while Supabase goes after "open-source firebase alternative with postgres" — so the right pick depends on which problem you're actually solving. Both use freemium pricing, but Clerk charges per mau while Supabase charges per project — a meaningful difference for larger teams.
At a glance
| Clerk | Supabase | |
|---|---|---|
| Our score | 85/100 | 88/100 |
| Starting price | Free | Free |
| Free tier | Yes | Yes |
| Best for | Authentication built for modern React and Next.js apps | Open-source Firebase alternative with Postgres |
Pricing comparison
Calculate your cost
Feature comparison
core
| Feature | Clerk | Supabase |
|---|---|---|
| Pre-built UI components | Yes | No |
| OAuth / OIDC | Yes | No |
| Social login | Yes | No |
| MFA | Yes | No |
| Passkeys | Yes | No |
| PostgreSQL database | No | Yes |
| Authentication | No | Yes |
| Storage | No | Yes |
| Edge Functions | No | Yes |
| Realtime subscriptions | No | Yes |
Ratings breakdown
What the data tells us
Key capabilities you'd miss
Choosing Clerk means going without PostgreSQL database, Authentication, Storage (which Supabase offers). Choosing Supabase means losing Pre-built UI components, OAuth / OIDC, Social login. These are the features that typically drive the final decision — check whether your workflow depends on any of them before committing.
What company size tells you
Clerk (51-200 employees) has the engineering bench to ship features across many fronts but may iterate slower on individual requests. Supabase (201-500 employees) typically ships faster on its core product but may lag on peripheral features. Consider which matters more for your roadmap.
Choose Clerk if...
- You want a free tier to get started
- You value an intuitive, easy-to-use interface
- Getting strong value for money is a priority
Choose Supabase if...
- You want a free tier to get started
- You value an intuitive, easy-to-use interface
- Getting strong value for money is a priority
Frequently asked questions
Is Clerk or Supabase better?
Supabase scores 88/100 compared to Clerk's 85/100 on VendorVS. However, the best choice depends on your needs — Clerk excels at ease of use (10/10) while Supabase scores 8/10.
How much does Clerk cost compared to Supabase?
Clerk starts at free (free tier available). Supabase starts at free (free tier available). Clerk is the more affordable option.
Does Clerk or Supabase have a free plan?
Yes, both Clerk and Supabase offer free tiers, so you can try each before committing to a paid plan.
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