Auth0 vs Scalekit
Auth0 and Scalekit are both security & identity tools. Auth0 is aimed at developers and enterprise, while Scalekit is aimed at developers and small businesses. Auth0 costs less, from $35/mo versus $99/mo for Scalekit. Both have a free plan.
Identity platform for applications
Auth platform for B2B apps and AI agents, with an MCP gateway
| Pricing | Freemium · $35 | Freemium · $99 |
| Starting price | $35/mo | $99/mo |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Built for | Developers, Enterprise | Developers, Small businesses, Enterprise |
| Platforms | web | web |
| Country | US · 2013 | — |
| Rating | — | — |
Choose Auth0 if
Companies with enterprise SSO requirements or large consumer user bases.
- Generous free tier (25k MAU)
- Enterprise SSO and compliance depth
- Reliable at huge scale
Look elsewhere if: Early-stage React apps wanting prebuilt UI (Clerk) or teams wanting self-hosted ownership (Better Auth, Keycloak).
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).
Auth0 vs Scalekit pricing
Auth0
- Free$0Up to 25,000 MAU, 1 custom domain, community support
- Essentials$35/moB2C, 500 MAU base; B2B from $150/mo; yearly = 11x monthly
- Professional$240/moB2C, 500 MAU base; B2B from $800/mo; 12 tenants
- EnterpriseCustom99.99% SLA, 30-day log retention
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
Auth0 · Key features
- Universal Login with social, enterprise and passwordless
- MFA, passkeys and adaptive attack protection
- Organizations for B2B multi-tenant SSO
- Fine-grained authorization and RBAC
- Actions for custom flows and integrations
- SDKs for web, mobile and backend
Cons
- Expensive once beyond free or with enterprise connections
- Complex configuration
- UI customization takes effort
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
Auth0 vs Scalekit: FAQ
Which is cheaper, Auth0 or Scalekit?
Auth0 starts at $35/mo and Scalekit at $99/mo. Both prices are checked on the vendors' own pricing pages.
Do Auth0 and Scalekit have a free plan?
Yes, both Auth0 and Scalekit have a free plan; paid plans add more usage and features.
Which is better for small businesses, Auth0 or Scalekit?
Scalekit lists small businesses as a core audience, while Auth0 is aimed more at developers and enterprise.