Node.js test runner that lets you develop with confidence.
- Weekly Downloads
- 0
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- Bundle (gzip)
- 436.0 B
- Updated
- Vulns
- 0
Comparison guide
Side-by-side NPM package comparison

Ava leads across all categories in this comparison. Check the detailed metrics below to see how each package performs for your specific needs.
Node.js test runner that lets you develop with confidence.
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Delightful JavaScript Testing.
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Choosing between Ava and Jest? 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.
Ava and Jest both have 0 weekly downloads, indicating equal adoption in the ecosystem.
Ava has the smallest gzipped bundle at 436.0 B. Jest comes in at 2.0 KB. A smaller bundle size means faster page loads, which improves user experience and Core Web Vitals scores.
Ava has an overall health score of 62/100 (good), with strong quality, security scores. Jest has an overall health score of 62/100 (good), with strong quality, security scores. Health scores are calculated from maintenance activity, code quality, security posture, popularity, and stability metrics.
Choose Ava if you value minimal bundle footprint, strong security track record. Choose Jest if you value minimal bundle footprint, strong security track record.
Both Ava and Jest are solid choices for JavaScript development. Ava has the edge in overall health score (62/100), 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.
One PDF: the best package for every category (ORMs, bundlers, auth, testing, state management). Used by 500+ devs. Free, updated monthly.