Version 2.21.0
Realtime client library for Ably, the realtime messaging service
- Weekly Downloads
- 779.4K
- Bundle (gzip)
- 2.5 MB
- Updated
- Vulns
- 0
Side-by-side NPM package comparison
Smallest Bundle
Socketio
350.0 KB gzipped
Most Popular
Ably
779.4K weekly downloads
Best Maintained
Ably
80/100 maintenance score
Highest Quality
Ably
50/100 quality score
Overall Pick
Ably
Best all-around based on popularity, size, maintenance & quality
Version 2.21.0
Realtime client library for Ably, the realtime messaging service
Version 1.0.0
hello, socketio
Choosing between Ably and Socketio? 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.
Ably leads with 779.4K weekly downloads — roughly 183.7x more. Socketio has 4.2K weekly downloads. Higher download counts generally indicate broader community adoption and a larger ecosystem of tutorials, plugins, and support.
Socketio has the smallest gzipped bundle at 350.0 KB. Ably comes in at 2.5 MB. A smaller bundle size means faster page loads, which improves user experience and Core Web Vitals scores.
Ably has an overall health score of 77/100 (very good), with strong maintenance, security, popularity scores. Socketio 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.
Choose Ably if you value strong security track record. Choose Socketio if you value strong security track record.
Both Ably and Socketio are solid choices for JavaScript development. Ably has the edge in overall health score (77/100), 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.