Authentication tools for SaaS compared
Six ways to add sign-in to a SaaS. Clerk, WorkOS and Stytch are hosted services; SuperTokens, Logto and Ory publish their code and can run on your own servers. Auth is costly to replace once users have accounts, so settle two questions first: will company customers ask for SSO, and where must user records live?
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Drop-in auth and user management for React and Next.js
clerk.comMake your app enterprise-ready with SSO and SCIM
workos.comDeveloper-first auth APIs for passwordless and passkeys
stytch.comOpen-source auth, the self-hosted Auth0 alternative
supertokens.comModern open-source auth for SaaS and AI apps
logto.ioOpen-source identity, OAuth2 and access control at scale
ory.comPrices side by side
Read on each tool's own pricing page on 27 October 2026- ClerkFree to 50,000 retained users; Pro $25 a month
- WorkOSAuthKit free to 1M users; SSO $125 a connection a month
- Stytch$0 up to 10,000 active users
- SuperTokensSelf-hosted free; managed free under 5,000 MAUOpen source, Apache 2.0
- LogtoFree to 50,000 MAU; Pro from $24 a monthOpen source, MPL-2.0
- OryFree for development; Production $770 a yearOpen source, Apache 2.0
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