Version 55.0.11
The Expo SDK
- Weekly Downloads
- 3.8M
- Bundle (gzip)
- 256.2 KB
- Updated
- Vulns
- 0
Side-by-side NPM package comparison
Smallest Bundle
Flutter
12.7 KB gzipped
Most Popular
React-native
6.4M weekly downloads
Best Maintained
Expo
100/100 maintenance score
Highest Quality
Expo
50/100 quality score
Overall Pick
Expo
Best all-around based on popularity, size, maintenance & quality
Version 55.0.11
The Expo SDK
Version 0.0.5
Twitter oAuth Module for the 1.1 API
Version 0.84.1
A framework for building native apps using React
Choosing between Expo and Flutter and React-native? 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.
React-native leads with 6.4M weekly downloads — roughly 1.7x more. Expo has 3.8M weekly downloads. Flutter has 337 weekly downloads. Higher download counts generally indicate broader community adoption and a larger ecosystem of tutorials, plugins, and support.
Flutter has the smallest gzipped bundle at 12.7 KB. Expo comes in at 256.2 KB. React-native comes in at 6.1 MB. A smaller bundle size means faster page loads, which improves user experience and Core Web Vitals scores.
Expo has an overall health score of 85/100 (very good), with strong maintenance, security, popularity scores. React-native has an overall health score of 85/100 (very good), with strong maintenance, security, popularity scores. Flutter has an overall health score of 45/100 (moderate), with strong security scores. Health scores are calculated from maintenance activity, code quality, security posture, popularity, and stability metrics.
Choose Expo if you value large community support, actively maintained, strong security track record. Choose Flutter if you value strong security track record. Choose React-native if you value large community support, actively maintained, strong security track record.
Both Expo and Flutter and React-native are solid choices for JavaScript development. Expo 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.
One PDF: the best package for every category (ORMs, bundlers, auth, testing, state management). Used by 500+ devs. Free, updated monthly.