PriceIndex
C

authentication pricing

by Clerk

Clerk pricing, plans & costs

Drop-in authentication and user management for React and Next.js apps.

Starts at
$25/mo
Free plan
Yes
Plans
3
Billed by
MAUs

Plans at a glance

Clerk plans and prices

Estimated from public pricing

Cost calculator

Clerk cost calculator

25K

Pro estimate

$325/mo

$25/mo, 10K MAUs included, then $0.02 per MAU

Estimate covers the main usage meter only; taxes and add-ons are excluded.

Clerk plans at 25K

vs alternatives (cheapest plan)

How much does Clerk cost per month?

2,500
Free
$0
Pro
$25
Enterprise
Custom
12.5K
Free
—
Pro
$75
Enterprise
Custom
25K
Free
—
Pro
$325
Enterprise
Custom
125K
Free
—
Pro
$2,325
Enterprise
Custom
500K
Free
—
Pro
$9,825
Enterprise
Custom

Cheapest plan per volume highlighted. "—" means the plan does not allow that volume.

Clerk plan feature comparison

Audit logs
Free
Basic
Pro
Full
Enterprise
Audit logs
Branding & custom domain
Free
Clerk branding
Pro
Remove branding
Enterprise
Full
Enterprise SSO (SAML)
Free
Not included
Pro
$75/mo add-on
Enterprise
Included
MFA / passkeys
Free
Not included
Pro
MFA + passkeys
Enterprise
Included
Monthly active users
Free
10,000 MAUs
Pro
10K incl., then $0.02
Enterprise
Custom
Organizations / B2B
Free
100 MAO
Pro
Orgs add-on
Enterprise
Included
Social login
Free
Unlimited social
Pro
Unlimited social
Enterprise
Unlimited
Support
Free
Community
Pro
Email
Enterprise
Dedicated + SLA

How Clerk pricing works

Clerk includes 10,000 MAUs free; Pro is $25/month then $0.02 per additional MAU. B2B organizations and SSO are add-ons.

  • Only users who return after 24h count as MAUs.
  • Enhanced B2B and SSO connections are billed as add-ons.

Clerk is best for

Next.js and React apps
Prebuilt auth UI
Fast MVPs

Clerk add-ons and extra charges

Enhanced authentication

$100/mo

SAML SSO, custom session duration, device tracking.

Enhanced B2B

$100/mo

Custom roles, domain restrictions and more orgs features.

Clerk alternatives

Auth0

$0/mo at 25K

Enterprise SSO · Actions

Clerk vs Auth0
Firebase Auth

$0/mo at 25K

Google ecosystem · Phone auth

Clerk vs Firebase Auth
Supabase

$3,149/mo at 25K

Postgres + Auth + Storage · Realtime · pgvector

Clerk vs Supabase

Related comparison guides

Clerk pricing FAQ

Source: official Clerk pricing page. Estimated. Prices change — confirm before buying.