LambdaTest
Power Your Software Testing with AI and Cloud
Radix UI
Open-source UI components for building accessible web apps
Updated February 2026
| LambdaTest | Radix UI | |
|---|---|---|
| Rating | 4.7★ | 5.0★ |
| Reviews | 11 | 24 |
| Pros | 21 | 10 |
| FactScore™ | 51 | 69.9 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in LambdaTest — Pros
User-friendly interface Cost-effective Cross-browser testing Responsive design testing AI native platform Early access to latest devices Free trial Global reach Network throttling DevTools integration Easy to use Excellent customer service Excellent customer support IP and GPS-based location testing Live interactive testing Parallel test execution Real-time collaboration Responsive customer support Secure testing Video recordingBoth tools — Pros
Fast performanceOnly in Radix UI — Pros
Accessible UI components Developer experience Un-styled components React compatibility Community involvement Customizable Excellent documentation Headless component library Theme componentOnly in LambdaTest — Cons
Complex setup Video recordingBoth tools — Cons
—Only in Radix UI — Cons
Customizable Limited built-in componentsDetails
| LambdaTest | Radix UI | |
|---|---|---|
| Categories | Engineering & Development, Testing and QA software, Cloud Computing Platforms | Interface design tools, Engineering & Development, UI frameworks |
| Platforms | Web | Web |
| Became Popular | August 7, 2018 | December 17, 2020 |
| Website | www.lambdatest.com | radix-ui.com |
Who Should Pick Which?
Choose LambdaTest if...
- User-friendly interface
- Cost-effective
- Cross-browser testing
Choose Radix UI if...
- Accessible UI components
- Developer experience
- Un-styled components
With a FactScore™ of 51 vs 69.9, Radix UI leads in community reception. LambdaTest uniquely offers User-friendly interface and Cost-effective, while Radix UI stands out for Accessible UI components and Developer experience.
What Users Say
LambdaTest
Congrats on the launch 🚀🚀🚀! Super cool. -Network throttling feature is great -Rotate button is a good idea too -"Mark as bug" is good because in startup development you'll get errors that nobody...
Thrilled about the LT Browser 2.0 launch! Game-changer for devs, testers, and designers with real-time responsiveness testing across multiple devices. It even seems like a better responsive test ve...
Congratulations on launching your product on Product Hunt! Your vision and hard work have resulted in an impressive outcome. Cheers to a bright future! @syed_shayanur_rahman @sarahelson81 @muditsin...
Radix UI
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 ...
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...
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, LambdaTest or Radix UI?
Based on FactScore™, Radix UI leads with a score of 69.9 vs 51. Radix UI has a higher rating of 5.0★ compared to 4.7★.
What are the pros of LambdaTest compared to Radix UI?
LambdaTest uniquely offers: User-friendly interface, Cost-effective, Cross-browser testing, Responsive design testing, AI native platform.
What are the pros of Radix UI compared to LambdaTest?
Radix UI uniquely offers: Accessible UI components, Developer experience, Un-styled components, React compatibility, Community involvement.
Is LambdaTest better rated than Radix UI?
LambdaTest is rated 4.7★ from 11 reviews. Radix UI is rated 5.0★ from 24 reviews.
What is the FactScore™ of LambdaTest and Radix UI?
FactScore™ weighs rating and review volume together. LambdaTest scores 51 and Radix UI scores 69.9.
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