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Clerk vs Supabase Auth: free tier and first paid price (checked 2026-10-19)
Both have a free plan that stays free. Both list $25/month for the first paid plan. Clerk Pro: $25/month ($20/month billed annually); Supabase Auth Pro: $25/month. Only Clerk says no card is needed.
| Fact | Clerk | Supabase Auth |
|---|---|---|
| Free plan | Stays free | Stays free |
| Card for the free plan | Not required | Unknown |
| EU region | Unknown | Unknown |
| First paid plan | Pro | Pro |
| First paid price | $25/month ($20/month billed annually) | $25/month |
| Free plan includes | Hobby is Free and says 'No credit card required'. Marketing line on the same page: free for the first 50,000 monthly retained users and 100 monthly retained orgs. | Same pricing page as Supabase. Free includes 50,000 monthly active users. Free projects pause after 1 week of inactivity, with a limit of 2 active projects. |
| Free limits |
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| Paid plan note | Comparison row: '$0 | $25/mo, $20/mo billed annually | $300/mo, $250/mo billed annually'. Extra MAU on Pro shown at $0.02/month each. | Pro includes 100,000 MAU, then $0.00325 per MAU. |
| EU / data region note | Page says the service is built to be compliant with GDPR principles. It does not name an EU hosting region. | Not stated on the pricing page text captured. |
| Last checked | ||
| Pricing page | clerk.com/pricing | supabase.com/pricing |
Questions
Does Clerk or Supabase Auth have a free plan?
Clerk has a free plan that stays free; Supabase Auth has a free plan that stays free. Checked 2026-10-19: Clerk pricing, Supabase Auth pricing.
Which is cheaper to start paying for, Clerk or Supabase Auth?
Both list $25/month for the first paid plan. Clerk Pro: $25/month ($20/month billed annually); Supabase Auth Pro: $25/month. Checked 2026-10-19: Clerk pricing, Supabase Auth pricing.
Do Clerk and Supabase Auth need a credit card for the free plan?
Clerk says no credit card is needed for the free plan; Supabase Auth does not say whether a card is needed. Checked 2026-10-19: Clerk pricing, Supabase Auth pricing.
Do Clerk and Supabase Auth offer an EU region?
Clerk does not state an EU region; Supabase Auth does not state an EU region. Checked 2026-10-19: Clerk pricing, Supabase Auth pricing.
Sources
- Clerk pricing page (checked 2026-10-19)
- Supabase Auth pricing page (checked 2026-10-19)
Every cell is copied from the official pricing pages. The verdict is generated from those fields and makes no other claims. "Unknown" means the page did not say. Prices change: check the vendor page before you buy.
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