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Comparison guide

Apollo-client vs Relay-runtime

Side-by-side NPM package comparison

Quick Verdict

Smallest Bundle

Apollo-client

15.4 KB gzipped

Most Popular

Relay-runtime

5.7M weekly downloads

Best Maintained

Relay-runtime

100/100 maintenance score

Highest Quality

Apollo-client

50/100 quality score

Overall Pick

Relay-runtime

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

  1. apollo-client

    A simple yet functional GraphQL client.

    535.6K weekly downloads · 15.4 KB gzip · Health 59/100

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  2. relay-runtime

    A core runtime for building GraphQL-driven applications.

    5.7M weekly downloads · 49.2 KB gzip · Health 85/100

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Choosing between Apollo-client and Relay-runtime? 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

Relay-runtime leads with 5.7M weekly downloads — roughly 10.7x more. Apollo-client has 535.6K weekly downloads. Higher download counts generally indicate broader community adoption and a larger ecosystem of tutorials, plugins, and support.

Bundle Size

Apollo-client has the smallest gzipped bundle at 15.4 KB. Relay-runtime comes in at 49.2 KB. A smaller bundle size means faster page loads, which improves user experience and Core Web Vitals scores.

Health Score Comparison

Relay-runtime has an overall health score of 85/100 (very good), with strong maintenance, security, popularity scores. Apollo-client has an overall health score of 59/100 (moderate), 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 Apollo-client if you value strong security track record. Choose Relay-runtime if you value large community support, actively maintained, strong security track record.

Our Verdict

Both Apollo-client and Relay-runtime are solid choices for JavaScript development. Relay-runtime 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 apollo-client better than relay-runtime?
It depends on your needs. Apollo-client has a health score of 59/100 while Relay-runtime scores 85/100. Relay-runtime has more recorded weekly downloads (5.7M). Consider your specific requirements — bundle size, community support, and feature set — to decide which is the better fit.
Which has a smaller bundle size, apollo-client or relay-runtime?
Apollo-client has the smaller gzipped bundle at 15.4 KB. A smaller bundle means faster load times for your users, which can positively impact SEO and user experience.
How many developers use apollo-client vs relay-runtime?
Relay-runtime has more recorded weekly downloads (5.7M). Download counts reflect package installations, not unique developers.
Which is better maintained, apollo-client or relay-runtime?
Relay-runtime has a maintenance score of 100/100. Apollo-client scores 20/100 and Relay-runtime scores 100/100 on maintenance.

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