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Superstruct vs Yup

Side-by-side NPM package comparison

Quick Verdict

Smallest Bundle

Yup

13.1 KB gzipped

Most Popular

Yup

9.9M weekly downloads

Best Maintained

Yup

40/100 maintenance score

Highest Quality

Superstruct

50/100 quality score

Overall Pick

Yup

Best all-around based on popularity, size, maintenance & quality

superstruct icon

superstruct

Very Popular

Version 2.0.2

0
61
Good

A simple and composable way to validate data in JavaScript (and TypeScript).

Weekly Downloads
3.9M
↓6%
Bundle (gzip)
53.4 KB
Updated
Vulns
0

Health Score Breakdown

Maintenance
20
Popularity
100
Quality
50
Security
100
Stability
70
yup icon

yup

Very Popular

Version 1.7.1

0
67
Good

Dead simple Object schema validation

Weekly Downloads
9.9M
↓7%
Bundle (gzip)
13.1 KB
Updated
Vulns
0

Health Score Breakdown

Maintenance
40
Popularity
100
Quality
50
Security
100
Stability
70

Choosing between Superstruct and Yup? 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

Yup leads with 9.9M weekly downloads — roughly 2.5x more. Superstruct has 3.9M weekly downloads. Higher download counts generally indicate broader community adoption and a larger ecosystem of tutorials, plugins, and support.

Bundle Size

Yup has the smallest gzipped bundle at 13.1 KB. Superstruct comes in at 53.4 KB. A smaller bundle size means faster page loads, which improves user experience and Core Web Vitals scores.

Health Score Comparison

Yup has an overall health score of 67/100 (good), with strong security, popularity scores. Superstruct has an overall health score of 61/100 (good), with strong security, popularity scores. Health scores are calculated from maintenance activity, code quality, security posture, popularity, and stability metrics.

When to Choose Each

Choose Superstruct if you value large community support, strong security track record. Choose Yup if you value large community support, strong security track record.

Our Verdict

Both Superstruct and Yup are solid choices for JavaScript development. Yup has the edge in overall health score (67/100), 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 superstruct better than yup?
It depends on your needs. Superstruct has a health score of 61/100 while Yup scores 67/100. Yup has more weekly downloads (9.9M), 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, superstruct or yup?
Yup has the smaller gzipped bundle at 13.1 KB. A smaller bundle means faster load times for your users, which can positively impact SEO and user experience.
How many developers use superstruct vs yup?
Based on npm download statistics, Superstruct has approximately 3.9M weekly downloads and Yup has approximately 9.9M weekly downloads. These numbers reflect package installations, not unique developers, but they indicate relative adoption levels.
Which is better maintained, superstruct or yup?
Yup currently has the higher overall health score at 67/100. Superstruct has a maintenance score of 20/100 and Yup scores 40/100 on maintenance.

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