authID vs Clerk

authID provides biometric identity verification and authentication for organizations protecting accounts and digital assets. Its Proof service checks a physical ID, captures a selfie, checks liveness, and compares the selfie with the document image during onboarding. The maker says Proof does not require biometric information to be stored. For returning users, Verified uses a facial image and a previously registered biometric hash to authenticate without a password. Listed uses include remote onboarding, account recovery, password resets, high-risk transactions, and account takeover prevention. The verification page states a 700 millisecond processing time and a false match rate of one in one billion. authID lists iBeta PAD Level 2 certification for Proof and Verified, and NIST AAL2 authentication for Verified. Integrations include Auth0, Okta Workforce Identity Cloud, Microsoft O365 and Azure, BeyondTrust, Temenos, Ping, VMware, and Zendesk. Platforms include web, Windows, macOS, iOS, and Android, with API access and self-hosted availability also listed. Pricing is on request; a free 30-day trial is available.

Clerk provides full-stack authentication and user management for applications, including Organizations and Billing. Prebuilt components cover sign-up, sign-in, and user profiles, while Frontend, Backend, and Platform HTTP APIs support client-side, backend, and workspace operations. Clerk Billing handles subscription billing and charges 0.7% of billing volume in addition to Stripe fees. Its free B2B offering includes 100 monthly retained organizations per app and up to 20 members per Organization. Listed integrations include Convex, Firebase, Supabase, Shopify, Vercel Marketplace, and Google Analytics. Security practices include account lockout, bot protection, rate limiting, breached-password detection, and MFA enforcement. Clerk lists SOC 2 Type 2 and HIPAA certifications; SOC 2 reports are available on Business and above, while a HIPAA BAA is available on Enterprise. Data is hosted on US infrastructure, with no regional data residency. Clerk is available on Android, iOS, web, APIs, and extensions, and provides an iOS SDK for native Apple apps. Hobby is free; Pro costs $20/mo billed annually, and Business costs $250 per year billed annually.