RadarTrek Intel — monthly score updates
We track 40+ tools so you don't have to. Score changes, new tools, and new guides — once a month, no spam.
Auth Providers comparison · 2026
Auth0 (86) and Clerk (90) are closely matched — this is one of the tightest Auth Providers comparisons in our database, with just 4 points separating them overall. Clerk has the edge on Free Tier (85 vs 72). The two are closest on Performance, where the gap is just 0 points. Both offer a free tier, making either a low-risk starting point. Use the radar chart and dimension table below to find which fits your specific priorities best.
Auth0
Enterprise-grade auth by Okta — the industry standard
86/100
Clerk
The best auth UX for Next.js and React apps
90/100
Radar comparison
Auth0
86
Clerk
90
Developer UX
SDK quality, documentation, and quickstart speed.
Security
MFA, passkeys, breach detection, and compliance certs.
Free Tier
Generosity of free plan — MAU limit and features included.
Feature Set
Social login, SSO, magic links, passwordless support, roles.
Performance
Token validation latency and uptime SLA.
Support
Documentation quality and paid support options.
Overall Score
Based on our independent scoring across 6 dimensions, Clerk scores 90/100 overall versus Auth0's 86/100 — a 4-point margin. Clerk leads on Feature Set in particular. That said, Auth0 may still be the right choice if the dimensions where it scores higher match your specific priorities — the radar chart above shows the full profile side by side.
Both Auth0 and Clerk offer a free tier, so entry-level cost is not a differentiating factor. Compare the feature and usage limits of each free plan to see which gives you more headroom before a paid upgrade is needed.
Clerk scores higher on Developer UX — 96/100 versus 78/100 for Auth0. If developer ux is your primary decision criterion, Clerk is the stronger choice in this head-to-head.
Switching between auth providers tools is generally possible but involves migration effort: exporting your data or configuration from Auth0, re-importing or reconfiguring in Clerk, and updating any API integrations or environment variables in your codebase. The effort scales with how deeply embedded the tool is in your stack. Test Clerk on a non-production project first before migrating.
Auth0 (86/100) is the better fit for teams who prioritise feature set — its strongest dimension — and who want a free entry point. Clerk (90/100) is the better fit for teams who prioritise developer ux and want a free entry point. If both dimensions matter equally, the overall score winner (Clerk) is the safer default choice.
Want this built for your business?
We design and build digital products — web apps, AI tools, SaaS platforms.