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Comparison guide

Immer vs Lodash

Side-by-side NPM package comparison

Quick Verdict

Smallest Bundle

Immer

267.9 KB gzipped

Most Popular

Lodash

148.3M weekly downloads

Best Maintained

Immer

100/100 maintenance score

Highest Quality

Immer

50/100 quality score

Overall Pick

Lodash

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

immer icon

immer

Extremely Popular

Version 11.1.8

0
85
Excellent

Create your next immutable state by mutating the current one

Weekly Downloads
46.4M
10%
Bundle (gzip)
267.9 KB
Updated
Vulns
0

Health Score Breakdown

Maintenance
100
Popularity
100
Quality
50
Security
100
Stability
70
lodash icon

lodash

Extremely Popular

Version 4.18.1

0
85
Excellent

Lodash modular utilities.

Weekly Downloads
148.3M
7%
Bundle (gzip)
414.2 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 148.3M weekly downloads — roughly 3.2x more. Immer has 46.4M 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 267.9 KB. Lodash comes in at 414.2 KB. A smaller bundle size means faster page loads, which improves user experience and Core Web Vitals scores.

Health Score Comparison

Immer has an overall health score of 85/100 (very good), with strong maintenance, security, popularity scores. Lodash has an overall health score of 85/100 (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, actively maintained, 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. Immer 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 85/100 while Lodash scores 85/100. Lodash has more weekly downloads (148.3M), 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 267.9 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 46.4M weekly downloads and Lodash has approximately 148.3M weekly downloads. These numbers reflect package installations, not unique developers, but they indicate relative adoption levels.
Which is better maintained, immer or lodash?
Immer currently has the higher overall health score at 85/100. Immer has a maintenance score of 100/100 and Lodash scores 100/100 on maintenance.

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