AuthCostAuth cost of ownership Weekly ledger
Vendor

Supabase Auth

Billing unit: MAU — Auth MAU is part of the Supabase org plan (not a standalone auth SKU). Plan fee also covers database compute credits. Source: supabase.com/pricing, checked 2026-10-30. Visit Supabase Auth

Answer · Supabase Auth cost by MAU (no SSO)

10k users: $0/mo on Free (platform) · 50k users: $0/mo on Free (platform) · 100k users: $25/mo on Pro (platform).

As of 2026-10-30, from 19 verified plan rows. How we calculate this.

Free: 50k MAU. Pro from $25/mo: 100k MAU then $0.00325/MAU. SAML SSO: 50 included then $0.015/MAU. Auth-only cost is entangled with the platform plan.

Supabase Auth cost at 10k, 50k and 100k users

Plan10k users50k users100k users
Free (platform)$0$0—
Pro (platform)$25$25$25

Monthly USD, no SSO, list price. “—” = the vendor publishes no fixed self-serve price for that volume (custom / contact sales) or the plan caps below it.

More on Supabase Auth: Supabase Auth pricing · cheaper Supabase Auth alternatives · vs Clerk · vs Auth0 · vs Amazon Cognito · vs WorkOS · vs Stytch · vs Kinde · vs Logto

PlanBaseIncludedUnitOverageSSOStatusNotes
Free (platform)$050000MAU—0 incl.Verified50k Auth MAU on Free platform plan. No SAML SSO. Project pauses after 1 week inactivity.
Pro (platform)$25100000MAU$0.0032—VerifiedPlatform Pro from $25/mo includes 100k MAU then $0.00325/MAU. SAML SSO: 50 MAU included then $0.015/MAU. Base also covers DB compute credits — not auth-only.
Free weekly ledger

Get alerted if Supabase Auth changes prices

Weekly: every auth price change we confirmed, SSO fee moves, and the cheapest verified plan for 10k and 50k users. Free; unsubscribe in one click.