Supabase Auth pricing: tiers, seat costs, and hidden fees
Auth bundled in the Supabase platform tiers. SAML/SSO and Advanced MFA each carry extra MAU and per-project add-on fees.
Public pricing tiers
Supabase Auth cost calculator
For 10 seats on Pro, current public pricing implies $25 per month when annual pricing is available, or $25 month-to-month.
Hidden fees and quote risks
- SAML/SSO add-on: $0.015 per MAU beyond 50 included
- Advanced MFA (Phone): $10 to $75/month per project
- Compute instances billed hourly: Small $15/mo through 16XL $3,730/mo
- Database egress: $0.09/GB beyond plan
- Free projects pause after 1 week of inactivity
Enterprise notes
Enterprise tier custom; offers dedicated infrastructure, HIPAA compliance, and custom SLAs.
Closest alternatives
Other developer auth (backend bundle) tools buyers shortlist when they compare Supabase Auth.
Sources
Pricing changes frequently. Confirm directly with the vendor before purchase.
Frequently asked questions
How much does Supabase Auth cost?
Supabase Auth pricing depends on its Bundled with Supabase platform pricing. The page lists public tiers and flags custom or usage-based items that require vendor confirmation.
What is the main hidden fee risk for Supabase Auth?
SAML/SSO add-on: $0.015 per MAU beyond 50 included
Which Supabase Auth alternatives should buyers compare?
Auth0, Clerk, Stytch, Firebase Auth, Logto are the closest alternatives most procurement teams compare against Supabase Auth.