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Immer vs Lodash

Side-by-side NPM package comparison

immer

Extremely Popular

Version 11.1.4

79
Good

Create your next immutable state by mutating the current one

Weekly Downloads
31.6M
↑13%
Bundle (gzip)
6.3 KB
Updated
Vulns
0

Health Score Breakdown

Maintenance
80
Popularity
100
Quality
50
Security
100
Stability
70

lodash

Extremely Popular

Version 4.17.23

85
Excellent

Lodash modular utilities.

Weekly Downloads
104.2M
↑51%
Bundle (gzip)
24.6 KB
Updated
Vulns
0

Health Score Breakdown

Maintenance
100
Popularity
100
Quality
50
Security
100
Stability
70

Choosing between Immer and Lodash? 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

Lodash leads with 104.2M weekly downloads — roughly 3.3x more. Immer has 31.6M weekly downloads. Higher download counts generally indicate broader community adoption and a larger ecosystem of tutorials, plugins, and support.

Bundle Size

Immer has the smallest gzipped bundle at 6.3 KB. Lodash comes in at 24.6 KB. A smaller bundle size means faster page loads, which improves user experience and Core Web Vitals scores.

Health Score Comparison

Lodash has an overall health score of 85/100 (very good), with strong maintenance, security, popularity scores. Immer has an overall health score of 79/100 (very good), with strong maintenance, security, popularity scores. Health scores are calculated from maintenance activity, code quality, security posture, popularity, and stability metrics.

When to Choose Each

Choose Immer if you value massive community and ecosystem, strong security track record. Choose Lodash if you value massive community and ecosystem, actively maintained, strong security track record.

Our Verdict

Both Immer and Lodash are solid choices for JavaScript development. Lodash 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 immer better than lodash?
It depends on your needs. Immer has a health score of 79/100 while Lodash scores 85/100. Lodash has more weekly downloads (104.2M), 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, immer or lodash?
Immer has the smaller gzipped bundle at 6.3 KB. A smaller bundle means faster load times for your users, which can positively impact SEO and user experience.
How many developers use immer vs lodash?
Based on npm download statistics, Immer has approximately 31.6M weekly downloads and Lodash has approximately 104.2M weekly downloads. These numbers reflect package installations, not unique developers, but they indicate relative adoption levels.
Which is better maintained, immer or lodash?
Lodash currently has the higher overall health score at 85/100. Immer has a maintenance score of 80/100 and Lodash scores 100/100 on maintenance.

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