Clerk vs Scalekit
Clerk and Scalekit are both security & identity tools. Clerk is aimed at developers, while Scalekit is aimed at developers and small businesses. Clerk costs less, from $25/mo versus $99/mo for Scalekit. Both have a free plan.
Drop-in authentication and user management
Auth platform for B2B apps and AI agents, with an MCP gateway
| Pricing | Freemium · $25 | Freemium · $99 |
| Starting price | $25/mo | $99/mo |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Built for | Developers | Developers, Small businesses, Enterprise |
| Platforms | web | web |
| Country | US · 2019 | — |
| Rating | — | — |
Choose Clerk if
React and Next.js teams who want production auth with great UX immediately.
- Beautiful components save weeks of work
- Generous free tier
- Organizations and B2B features built in
Look elsewhere if: Teams requiring full ownership of auth data (Better Auth, Keycloak) or non-JS stacks.
Choose Scalekit if
Engineering teams that ship AI agents acting on users' behalf, or B2B SaaS products that need enterprise SSO and SCIM quickly.
- Agents act as the requesting user within the scopes that user granted
- One vendor for app SSO/SCIM and agent tool authorization
- Free tiers on both AgentKit and SaaSKit, with free dev and staging environments
Look elsewhere if: Consumer apps that only need simple social login, or teams that want a no-code automation tool (Clerk, Zapier).
Clerk vs Scalekit pricing
Clerk
- Hobby$050,000 monthly retained users per app, 3 dashboard seats
- Pro$25/mo$20/mo billed annually; 50k MRUs, then from $0.02/MRU
- Business$300/mo$250/mo billed annually; 10 dashboard seats
- EnterpriseCustomAnnual billing; 99.99% uptime SLA, volume discounts
Scalekit
- AgentKit Free$0Monthly tool-call cap plus 10K trigger events; no overage
- AgentKit Growth$99/mo100K tool calls, 50K events; $0.50 per extra 1K calls
- SaaSKit Free$025K MAUs, 25 orgs, 1 SSO and 1 SCIM connection
- SaaSKit Growth$99/mo100K MAUs; extra SSO/SCIM connections from $60/conn/mo
- EnterpriseCustomNegotiated volume, VPC or self-hosted, BYOK, HIPAA BAA
Clerk · Key features
- Prebuilt UI components for auth and user profile
- Email, password, passkeys, OTP and 20+ social providers
- Organizations, roles and permissions (B2B)
- MFA, bot protection and session management
- Clerk Billing for subscriptions and feature gating
- SDKs for Next.js, React, Remix, Expo, Astro and more
Cons
- User data lives with a third party
- Per-user (MRU) cost grows with scale
- Enhanced features (SAML, MFA) cost extra
Scalekit · Key features
- MCP gateway with 600+ connectors and 30,000+ tools behind one endpoint
- Per-user connected accounts with a token vault that refreshes tokens
- Virtual MCP servers that scope the tools each agent can see
- Triggers that start agent runs from events in connected apps
- Tool-call logs with agent, user, tool and result; SIEM streaming on Enterprise
- Full-stack auth with login, sessions and organizations (SaaSKit)
Cons
- Free AgentKit tier has a hard stop with no overage option
- SSO and SCIM connections beyond the first cost from $60 each per month
- Custom connectors and custom tools require the Growth plan
Clerk vs Scalekit: FAQ
Which is cheaper, Clerk or Scalekit?
Clerk starts at $25/mo and Scalekit at $99/mo. Both prices are checked on the vendors' own pricing pages.
Do Clerk and Scalekit have a free plan?
Yes, both Clerk and Scalekit have a free plan; paid plans add more usage and features.
Which is better for small businesses, Clerk or Scalekit?
Scalekit lists small businesses as a core audience, while Clerk is aimed more at developers.