Plasmo

The browser extension platform

★★★★★ 4.8/5
FactScore™ 70.8
VS

Radix UI

Open-source UI components for building accessible web apps

★★★★★ 5.0/5
FactScore™ 69.9

Updated February 2026

Plasmo Radix UI
Rating 4.8★ 5.0★
Reviews 29 24
Pros 0 10
FactScore™ 70.8 69.9

FactScore™ Comparison

FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.

👑
70.8
Plasmo FactScore™
★ Plasmo wins on FactScore™
69.9
Radix UI FactScore™

Pros & Cons

Only in Plasmo — Pros

No unique pros listed

Both tools — Pros

Only in Radix UI — Pros

Accessible UI components Developer experience Un-styled components React compatibility Community involvement Customizable Excellent documentation Fast performance Headless component library Theme component

Only in Plasmo — Cons

Lack of support

Both tools — Cons

Only in Radix UI — Cons

Customizable Limited built-in components

Details

Plasmo Radix UI
Categories Engineering & Development, Chrome Extensions Interface design tools, Engineering & Development, UI frameworks
Platforms Web Web
Became Popular March 21, 2023 December 17, 2020
Website www.plasmo.com radix-ui.com

Who Should Pick Which?

Choose Plasmo if...

  • No unique pros listed

Choose Radix UI if...

  • Accessible UI components
  • Developer experience
  • Un-styled components

With a FactScore™ of 70.8 vs 69.9, Plasmo leads in community reception. Plasmo uniquely offers No unique pros listed, while Radix UI stands out for Accessible UI components and Developer experience.

3

What Users Say

Plasmo

A
Arnold Jul 16, 2024
★★★★★

Plasmo massively simplified the browser extension creation experience by offering SDK tools that streamline the development process. With Plasmo, I could write React code within relevant folders (e...

V
Vincent Mar 21, 2023
★★★★★

We recently wrote a browser extension[1] without any prior experience, and Plasmo made it a breeze. Right from the start, we could focus on what we wanted to build, and not worry about the messy de...

C
Cameron Apr 11, 2025
★★★★★

Plasmo's browser extension framework saved us months of development time with its streamlined workflows and modern tooling. We chose it over alternatives for its excellent TypeScript support, hot r...

Radix UI

G
Gustav Aug 10, 2023
★★★★★

Perfection! It really shows that you have thought about the DX and APIs all the way through, there are so many good and clever features here. I've always been a fan of Radix, but this is one level ...

W
Wouter Feb 8, 2024
★★★★★

So many websites have buggy dropdowns and modals. With Radix, these primitives just work, i.e., pressing ESC just closes a modal as you'd expect. No customization needed. Would love for them to exp...

V
Victor Sep 12, 2024
★★★★★

As part of a larger effort to reduce complexity in our own codebase and increase accessibility of Strapi products, we've made the decision to migrate to Radix-UI primitives for many of our components

Frequently Asked Questions

Which is better, Plasmo or Radix UI?

Based on FactScore™, Plasmo leads with a score of 70.8 vs 69.9. Plasmo has a higher rating of 4.8★ compared to 5.0★.

What are the pros of Plasmo compared to Radix UI?

Plasmo uniquely offers: No unique pros listed.

What are the pros of Radix UI compared to Plasmo?

Radix UI uniquely offers: Accessible UI components, Developer experience, Un-styled components, React compatibility, Community involvement.

Is Plasmo better rated than Radix UI?

Plasmo is rated 4.8★ from 29 reviews. Radix UI is rated 5.0★ from 24 reviews.

What is the FactScore™ of Plasmo and Radix UI?

FactScore™ weighs rating and review volume together. Plasmo scores 70.8 and Radix UI scores 69.9.

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