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Clerk vs OneLogin

Side-by-side comparison of features, pricing, ratings, and alternatives.

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Clerk
ClerkInstant auth and user management with prebuilt UI components
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OneLogin
OneLoginCloud-based single sign-on and identity management for workforce and customer apps.
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Overview
Description

Clerk provides a complete authentication and user management solution that lets developers add sign‑in, sign‑up, and profile flows with just a few lines of code. Its prebuilt UI components are customizable and work out‑of‑the‑box, reducing the time spent building secure login experiences. The platform also offers a robust API and SDKs for popular front‑end frameworks, enabling seamless integration with existing applications while handling security, session management, and user data storage for you.

OneLogin is a cloud identity and access management platform that gives employees one secure login to reach all their corporate applications through a unified SSO portal. It supports SAML, OIDC and other federation standards, syncs with Active Directory and LDAP directories, and layers on multi-factor authentication and adaptive risk-based policies to protect access without adding friction for end users.

Pricing
Freemium
Contact for Pricing
Category
Identity & SSO
Identity & SSO
Best for
Web developers and product teams
IT and security teams at mid-size to large enterprises managing workforce app access
Specifications
deployment
Cloud/SaaS
Cloud/SaaS
open source
No
No
api available
Yes
Yes
support options
Email, Live Chat, Community Forum
Email, Support Portal, Phone (Enterprise)
key integrations
Next.js, React, Remix, Vercel, Netlify
Active Directory, LDAP, Google Workspace, Workday, Slack
Pros & Cons
Pros
  • Fast integration with prebuilt components
  • Supports many social and passwordless providers
  • Strong security defaults and session handling
  • Generous free tier for early projects
  • Broad catalog of pre-built app integrations for fast SSO rollout
  • Mobile MFA app (Protect) is straightforward for end users
  • Strong directory synchronization with AD and common HR systems
  • Established vendor with long track record in workforce IAM
Cons
  • Limited self‑hosting options – SaaS only
  • Pricing can rise for high‑volume usage
  • Custom UI tweaks may require deeper CSS work
  • Pricing is no longer published, requiring a sales conversation for even small teams
  • Admin console can feel dated compared to newer identity platforms
  • Advanced governance features are more limited than dedicated IGA tools like SailPoint
Community & Metrics
Upvotes
0
0
User rating
Not enough data
Not enough data

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The Verdict

AI-generated from listing data

OneLogin is a mature enterprise SSO/IAM platform with strong directory sync and governance, while Clerk is a developer‑focused auth kit offering fast UI components and a generous free tier.

Key differences

  • •Target audience: OneLogin serves IT/security teams in mid‑size to large enterprises; Clerk targets web developers and product teams.
  • •Pricing model: OneLogin requires a sales quote (no published price); Clerk offers a freemium tier with usage‑based upgrades.
  • •Feature depth: OneLogin includes adaptive MFA, directory sync, and provisioning; Clerk provides ready‑made UI, social logins, and passwordless but limited IAM governance.
  • •Integration focus: OneLogin integrates with AD, LDAP, Google Workspace, Workday, Slack; Clerk integrates primarily with front‑end frameworks (React, Next.js, Remix) and hosting platforms.
DimensionWinner

Pricing & value

Clerk provides a freemium tier with clear usage pricing; OneLogin requires a sales quote, no published pricing.

Clerk

Ease of use / learning curve

Clerk offers pre‑built UI components for instant integration; OneLogin’s admin console feels dated and may need more training.

Clerk

Features & depth

OneLogin includes adaptive MFA, directory sync, automated provisioning, and enterprise IAM controls not present in Clerk.

OneLogin

Integrations & ecosystem

OneLogin supports SAML, OIDC, WS‑Federation and integrates with AD, LDAP, Google Workspace, Workday, Slack; Clerk focuses on front‑end frameworks.

OneLogin

Scalability

OneLogin is built for mid‑size to large enterprises; Clerk is SaaS‑only and may hit cost limits at high volume.

OneLogin

Support

OneLogin offers email, portal, and phone support for enterprises; Clerk provides email, live chat, and community forum.

OneLogin

Security & privacy

OneLogin provides adaptive authentication, push‑based MFA, and directory‑level controls; Clerk offers strong defaults but fewer advanced security features.

OneLogin

Choose Clerk if…

Start‑ups or product teams needing quick auth UI with a free tier.

Choose OneLogin if…

Enterprises needing enterprise‑grade SSO, MFA, and directory provisioning.

Common questions

What is the cost to get started?

Clerk offers a free tier; OneLogin does not publish pricing and requires a sales conversation.

Can I integrate with existing Active Directory?

Yes, OneLogin syncs with AD and LDAP; Clerk does not list AD integration.

Do I need to build my own login UI?

Clerk provides ready‑made sign‑in/sign‑up components; OneLogin expects you to build or use its portal.