Skip to main content

Comparison guide

Ava vs Jest

Side-by-side NPM package comparison

Hero image for Ava vs Jest
  1. ava

    Node.js test runner that lets you develop with confidence.

    Downloads unavailable · 436.0 B gzip · Health 62/100

    0
  2. jest

    Delightful JavaScript Testing.

    Downloads unavailable · 2.0 KB gzip · Health 74/100

    0

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.

Downloads & Popularity

Weekly download data is unavailable for Ava. Weekly download data is unavailable for Jest. Missing data is not zero downloads. We cannot compare download activity until all counts are available.

Bundle Size

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.

Health Score Comparison

Jest has an overall health score of 74/100 (good), with strong maintenance, quality, security scores. Ava 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. Download data is incomplete; these composite scores include a fallback popularity input and should not determine an overall winner.

When to Choose Each

Choose Ava if you value minimal bundle footprint, strong security track record. Choose Jest if you value minimal bundle footprint, actively maintained, strong security track record.

Our Verdict

Download data is incomplete for this comparison of Ava and Jest. We are not selecting an overall winner from incomplete metrics. Compare the available bundle, maintenance, and quality information against your project's requirements.

Frequently Asked Questions

Is ava better than jest?
It depends on your needs. Ava has a health score of 62/100 while Jest scores 74/100. Weekly download data is incomplete, so no popularity ranking is available. Consider your specific requirements — bundle size, community support, and feature set — to decide which is the better fit.
Which has a smaller bundle size, ava or jest?
Ava has the smaller gzipped bundle at 436.0 B. A smaller bundle means faster load times for your users, which can positively impact SEO and user experience.
How many developers use ava vs jest?
Weekly download data is incomplete, so no popularity ranking is available. Download counts reflect package installations, not unique developers.
Which is better maintained, ava or jest?
Jest has a maintenance score of 100/100. Ava scores 60/100 and Jest scores 100/100 on maintenance.

Related Comparisons

The 2026 JavaScript Stack Cheatsheet

One PDF: the best package for every category (ORMs, bundlers, auth, testing, state management). Used by 500+ devs. Free, updated monthly.