Auth0 vs Clerk

Side-by-side NPM package comparison

auth0

Very Popular

Version 5.3.1

85
Excellent

Auth0 Node.js SDK for the Management API v2.

Weekly Downloads
1.1M
37%
Bundle (gzip)
74.8 KB
Updated
Vulns
0

Health Score Breakdown

Maintenance
100
Popularity
100
Quality
50
Security
100
Stability
70

clerk

Niche

Version 0.8.3

49
Fair

CouchDB library for Node and the browser

Weekly Downloads
1.1K
12%
Bundle (gzip)
0 B
Updated
Vulns
0

Health Score Breakdown

Maintenance
20
Popularity
40
Quality
50
Security
100
Stability
70

Choosing between Auth0 and Clerk? Here's a data-driven comparison based on real npm data — downloads, bundle size, health scores, and more — to help you decide which package fits your project best.

Downloads & Popularity

Auth0 leads with 1.1M weekly downloads — roughly 1057.0x more. Clerk has 1.1K weekly downloads. Higher download counts generally indicate broader community adoption and a larger ecosystem of tutorials, plugins, and support.

Bundle Size

Clerk has the smallest gzipped bundle at 0 B. Auth0 comes in at 74.8 KB. A smaller bundle size means faster page loads, which improves user experience and Core Web Vitals scores.

Health Score Comparison

Auth0 has an overall health score of 85/100 (very good), with strong maintenance, security, popularity scores. Clerk has an overall health score of 49/100 (moderate), with strong security scores. Health scores are calculated from maintenance activity, code quality, security posture, popularity, and stability metrics.

When to Choose Each

Choose Auth0 if you value large community support, actively maintained, strong security track record. Choose Clerk if you value strong security track record.

Our Verdict

Both Auth0 and Clerk are solid choices for JavaScript development. Auth0 has the edge in overall health score (85/100), while each package brings unique strengths to the table. Evaluate them based on your project's priorities — whether that's community size, bundle efficiency, or maintenance activity — and choose the one that aligns best with your requirements.

Frequently Asked Questions

Is auth0 better than clerk?
It depends on your needs. Auth0 has a health score of 85/100 while Clerk scores 49/100. Auth0 has more weekly downloads (1.1M), suggesting broader adoption. Consider your specific requirements — bundle size, community support, and feature set — to decide which is the better fit.
Which has a smaller bundle size, auth0 or clerk?
Clerk has the smaller gzipped bundle at 0 B. A smaller bundle means faster load times for your users, which can positively impact SEO and user experience.
How many developers use auth0 vs clerk?
Based on npm download statistics, Auth0 has approximately 1.1M weekly downloads and Clerk has approximately 1.1K weekly downloads. These numbers reflect package installations, not unique developers, but they indicate relative adoption levels.
Which is better maintained, auth0 or clerk?
Auth0 currently has the higher overall health score at 85/100. Auth0 has a maintenance score of 100/100 and Clerk scores 20/100 on maintenance.

Related Comparisons