How WeldForge compares.

Honest, vendor-by-vendor break-downs. We credit each platform where it is stronger than WeldForge, show real list prices, and tell you up front when we are not the right answer.

Cost-driven comparison

WeldForge vs Auth0

The head-on pricing match-up. Monthly bills at 1k / 10k / 25k / 50k / 250k MAU, feature matrix, 5-step migration guide. Save ~50% at 25 000 MAU vs Auth0 B2C.

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TCO-driven comparison

WeldForge vs Keycloak

Both are free to self-host — so this one is about total cost of ownership, what's included in the box, and whether the managed-cloud option is worth it.

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Price-driven comparison

WeldForge vs FusionAuth

FusionAuth wins on flat-rate pricing at scale — we say so up front. This page is about when the extra built-ins (SAML IdP emphasis, PKI, POPIA residency, scoped API keys, HMAC webhooks) justify paying more.

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Scope-driven comparison

WeldForge vs Clerk

Clerk owns the drop-in React auth space. WeldForge is for the moment your first enterprise buyer asks for SAML SSO and SCIM provisioning — or when self-host becomes a hard requirement.

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Want a quick cost answer without reading? The interactive cost calculator lets you move a slider to your MAU count and see monthly bills on WeldForge, Auth0, Clerk and FusionAuth side by side. URL-shareable.