Clerk

San Francisco, California, United States

Clerk is an authentication and user management service for Next.js, Remix, Nuxt, React, Vue, and other frameworks that provides prebuilt interfaces and APIs to handle user identity, sessions, and access control.

It offers drop-in UI components for sign-in, sign-up, user profiles, organizations, and billing, supports over 20 social login providers, and includes multifactor authentication, session lifecycle management, bot and fraud prevention, and customizable roles and permissions.

According to our data, Clerk ranks 15th among the authentication services we track.
It has 1.2% of the authentication market share and is detected on 0.01% of all websites.

Statistics based on 3.7M+ analyzed websites. About this data

💸 Pricing

Clerk is available in both free and paid versions.

Free version ✔️ 50,000 Monthly Retained Users (MRU) limit per app
Pro
(MFA, SMS authentication) $25+/month
Clerk Billing Stripe 2.9% + Stripe transaction charge $0.30 + Clerk fee 0.7%

📊 Rankings and Market Share

🏆 Clerk Awards

⚡ Sites Using Clerk

We have data on 359 websites that use the Clerk authentication service. Here is a list of some of the top ranked ones.

The highest rated site using Clerk is suno.com.

#WebsiteRankCountryLanguage
1 suno.com #1,962 United States English
2 openrouter.ai #7,045 English
3 thejc.com #14,369 United States English
4 fashionphile.com #20,335 English
5 higgsfield.ai #29,470 United States English
6 gptgirlfriend.online #29,621 English
7 math-gpt.org #34,263 United States English
8 ijr.com #49,171 English
9 cappelendamm.no #50,369 Norway Norwegian Bokmål
10 galaxy.ai #52,381 United States English
11 fotografiska.com #59,025 United States English
12 clerk.com #62,310 United States English
13 thenational.academy #63,638 United Kingdom British English
14 boatsetter.com #66,983 English
15 sakura.fm #73,187 United States English
16 maisesports.com.br #90,534 Brazil Portuguese
17 zonos.com #92,351 United States English
18 sportshopen.com #95,175 Sweden Swedish
19 barkyn.com #100,029 Portuguese
20 caredge.com #103,213 American English

📈 Usage Statistics

Most of the sites that use Clerk:

Most of the sites using Clerk are from the United States.

  • United States 67.6%
  • United Kingdom 4.4%
  • Norway 3.3%
  • Australia 2.9%
  • Brazil 2.2%
  • Germany 2.2%
  • Romania 1.8%
  • Sweden 1.5%
  • Canada 1.1%
  • Other 13%

Most Clerk users speak English.

  • English 87.5%
  • Norwegian Bokmål 2%
  • German 1.4%
  • Portuguese 1.4%
  • Spanish 1.1%
  • Romanian 1.1%
  • Italian 0.8%
  • French 0.8%
  • Swedish 0.8%
  • Other 3.1%

The Clerk authentication service is especially popular on .com, .ai, and .org top-level domains.

  • .com 49%
  • .ai 8.9%
  • .org 5.3%
  • .io 3.6%
  • .co 3.3%
  • .no 2.2%
  • .so 1.7%
  • .app 1.7%
  • .net 1.4%
  • Other 22.9%

The primary market segments for websites utilizing Clerk include marketing and merchandising, online shopping, and business.

  • Marketing/Merchandising 14.5%
  • Online Shopping 11.3%
  • Business 8.1%
  • Internet Services 6.5%
  • Health 6.5%
  • Games 4.8%
  • Alcohol 4.8%
  • Job Search 3.2%
  • Education/Reference 3.2%
  • Other 37.1%

🕵️ Similar Technologies

These are some of the best Clerk alternatives.

RankName
1
Google Identity
Mountain View, California, United States

A suite of services and APIs from Google that handles user sign-up, sign-in, and authorization across web and mobile apps.

Free
4
Supabase
Singapore

An open-source backend-as-a-service platform based on PostgreSQL.

FreeOpen source$25+/month
5
Auth0
San Francisco, California, United States

A cloud-based identity and authentication management platform that allows developers to add authentication to their applications.

Free$35+/month
10
Keycloak
San Francisco, California, United States

An open-source identity and access management solution that provides user federation, strong authentication, user management, fine-grained authorization, and more.

FreeOpen source
14
Auth.js
San Francisco, California, United States

An open-source authentication solution that integrates with Next.js, Nuxt, Qwik, and other modern JavaScript frameworks to handle user sign-in, session management, and access control.

FreeOpen source

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💬 Frequently Asked Questions

Where is Clerk's headquarters?

Clerk is located in San Francisco, California, United States.

Can I use Clerk for free?

Yes, there is a free version with limited functionality.

How much does Clerk cost?

Clerk is priced from $25 per month for the Pro plan.

Which country uses Clerk the most?

The majority of Clerk users are from the United States.

Who uses Clerk?

According to our data, Clerk is used on hundreds of sites, including such established ones as suno.com, openrouter.ai, and thejc.com.

How does Clerk stack up against its competitors?

Clerk is a moderately popular authentication service, ranking ahead of 5 other authentication services we track.

What are the alternatives to Clerk?

Alternatives and possible competitors to Clerk may include Auth0, Keycloak, and Auth.js.

🗃️ About This Data