expo
Very Popular
Version 55.0.6
85
ExcellentThe Expo SDK
- Weekly Downloads
- 3.1M
↑8%
- Bundle (gzip)
- 254.4 KB
- Updated
- Vulns
- 0
Health Score Breakdown
Maintenance
100
Popularity
100
Quality
50
Security
100
Stability
70
Expo vs Flutter vs React-native
Side-by-side NPM package comparison
flutter
Niche
Version 0.0.5
45
FairTwitter oAuth Module for the 1.1 API
- Weekly Downloads
- 390
1%Stable
- Bundle (gzip)
- 0 B
- Updated
- Vulns
- 0
Health Score Breakdown
Maintenance
20
Popularity
20
Quality
50
Security
100
Stability
70
react-native
Very Popular
Version 0.84.1
85
ExcellentA framework for building native apps using React
- Weekly Downloads
- 5.4M
↑10%
- Bundle (gzip)
- 6.1 MB
- Updated
- Vulns
- 0
Health Score Breakdown
Maintenance
100
Popularity
100
Quality
50
Security
100
Stability
70
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.
Downloads & Popularity
React-native leads with 5.4M weekly downloads — roughly 1.7x more. Expo has 3.1M weekly downloads. Flutter has 390 weekly downloads. Higher download counts generally indicate broader community adoption and a larger ecosystem of tutorials, plugins, and support.
Bundle Size
Flutter has the smallest gzipped bundle at 0 B. Expo comes in at 254.4 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.
Health Score Comparison
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.
When to Choose Each
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.
Our Verdict
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.
Frequently Asked Questions
- Is expo better than flutter?
- It depends on your needs. Expo has a health score of 85/100 while Flutter scores 45/100. Expo has more weekly downloads (3.1M), suggesting broader adoption. Consider your specific requirements — bundle size, community support, and feature set — to decide which is the better fit.
- Which has a smaller bundle size, expo or flutter?
- Flutter has the smaller gzipped bundle at 0 B. A smaller bundle means faster load times for your users, which can positively impact SEO and user experience.
- How many developers use expo vs flutter?
- Based on npm download statistics, Expo has approximately 3.1M weekly downloads and Flutter has approximately 390 weekly downloads. These numbers reflect package installations, not unique developers, but they indicate relative adoption levels.
- Which is better maintained, expo or flutter?
- Expo currently has the higher overall health score at 85/100. Expo has a maintenance score of 100/100 and Flutter scores 20/100 on maintenance.
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