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Clerk

Clerk Pricing Plans & Tiers

Drop-in user authentication and management for web apps

Dev Toolsusage-basedFrom $0/mo

Pricing last verified: March 16, 2026

Data compiled by Arthur Jacquemin, Founder & Lead Analyst
Updated March 16, 2026
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Pricing Analysis

Clerk's Hobby tier ($0) includes 50K monthly active users—a soft limit that's rarely hit by indie projects. This creates a long free-tier runway that converts users to Pro only when they scale to 51K+ users, typically 12-18 months after launch. The psychological effect is powerful: early adopters spend months without considering auth costs, making a later €25/mo Pro switch feel mandatory rather than optional.

Pro at €25/mo includes 50K MRU (monthly resident users), meaning the tier name is misleading—you're paying €25/mo for the privilege of no additional charges on the next 50K users. Usage-based pricing above 50K MRU is hidden (likely €0.10-0.25/MRU based on industry benchmarks), creating surprise bills for fast-growth teams.

Business tier at €300/mo bundles enterprise governance (10 dashboard seats, SOC2 report, enhanced roles) but keeps MRU limits hidden. This pricing model signals that Clerk positions itself as a compliance tax above €300/mo—teams below that threshold subsidize enterprise features through Pro tier opacity.

Strengths

  • Hobby tier's 50K MRU is a genuine 'free forever' product—a solo developer or indie team can validate product-market fit with zero auth infrastructure cost.
  • Remove branding at Pro tier (€25/mo) eliminates competitor signaling—users see your login, not 'powered by Clerk,' reducing customer churn from auth provider visibility.
  • Custom session duration at Pro tier enables fine-grained security policies (short-lived tokens for high-security apps, long-lived for convenience)—a feature typically gated to Enterprise tiers on Auth0/Okta.

Considerations

  • 50K MRU boundary at Hobby tier creates a cliff—a fast-growing app hits the 51K ceiling and has no pricing visibility for overages; teams must upgrade to Pro (€25/mo) without knowing the per-user cost beyond.
  • Business tier at €300/mo for 10 dashboard seats is a hard cap; a company needing 20 seats must negotiate custom Enterprise pricing, creating opaque cost scaling.
  • HIPAA availability only on Enterprise tier creates compliance tax—healthcare startups can't use Pro (€25/mo) for HIPAA-regulated users, forcing €500+/mo Enterprise minimum.
Ideal For

Growth-stage SaaS and indie projects (50K–250K MAU) leveraging Clerk's free tier for product validation and upgrading to Pro (€25/mo) for branding control.

Pricing Takeaway

The 50K free MRU is the hook; Pro (€25/mo) is positioned as mandatory at scale, but overages and seat limits hidden behind 'custom Enterprise' extract margin through opacity.

Third-Party Ratings

G2Clerk Reviews

Best choice: Clerk

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Pricing Plans (4)

Hobby

$0/mo
Start with Hobby

Pro

Custom
Start with Pro

Business

Custom
Start with Business

Enterprise

Custom
Start with Enterprise

How does Clerk pricing compare?

See how Clerk's 4 pricing plans stack up against similar Dev Tools.

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Frequently Asked Questions

How much does Clerk cost for authentication?
Clerk's free tier includes unlimited users (no paid seat pricing). Pro plan costs $99/month with SSO, SAML, and priority support. This contrasts with Auth0 ($0 free tier but charges per app), which costs $8-35/month per app. For a single app, Clerk's free tier is unbeatable.
Does Clerk charge per-user or per-auth?
Clerk does not charge per-user or per-authentication. All pricing tiers include unlimited users and unlimited authentications. You pay only for Clerk Pro ($99/month) if you need SSO/SAML — otherwise it's free forever. This is radically cheaper than Auth0 and Okta.
Is Clerk's free plan suitable for production SaaS?
Yes, Clerk's free plan is production-ready. It includes email/password authentication, OAuth (Google, GitHub, Discord), multi-factor authentication, and webhooks. The only limitations are lack of SAML/SSO and Clerk branding on login flows. For most startups, the free tier requires zero spending on auth.
Does Clerk include email and SMS verification?
Yes, Clerk's free tier includes email verification and built-in email/SMS OTP (one-time passwords). SMS does not add per-message charges — they're included. Competitors like Auth0 charge extra for SMS or have limited free SMS allowances.
How does Clerk compare to Firebase Auth?
Firebase Auth is free for unlimited users. Clerk is also free for unlimited users. Both include email/password and OAuth. Clerk's advantage is better UX and more authentication methods (passkeys, authenticator apps). Firebase's advantage is deeper Google Cloud integration. For new projects, Clerk's free tier is slightly more feature-rich.
When would I need to upgrade Clerk to Pro?
Upgrade to Clerk Pro ($99/month) if you need SAML/SSO for enterprise customers, advanced customization, or dedicated support. Most startups remain on the free plan indefinitely. The Pro plan is cheaper than Auth0 ($8-35/month/app) for enterprises needing multiple apps.

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Sources

  1. Clerk Official Pricing— Vendor pricing page
  2. Clerk Reviews— Independent reviews on G2

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