Comparison

Untitled UI — Figma UI Kit and React Component Library vs Radix UI

Untitled UI — Figma UI Kit and React Component Library and Radix UI both land on Worth it.

Untitled UI — Figma UI Kit and React Component Library

Worth it

Confidence: Medium

Buy if your team designs in Figma and ships React apps on Tailwind; one-time pricing is rare value.

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Radix UI

Worth it

Confidence: High

Buy if your team writes React and wants accessible, unstyled primitives you can style yourself.

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Untitled UI — Figma UI Kit and React Component Library versus Radix UI
Compare	Untitled UI — Figma UI Kit and React Component Library	Radix UI
Verdict	Worth it	Worth it
Best for	Product teams on Figma + React/Tailwind	React teams building custom design systems
Who it's not for	Teams not using Figma or React/Tailwind	Non-React codebases . Primitives are React-only
Privacy	No known public vulnerabilities found in the sources reviewed.^²	No known public vulnerabilities found in the sources reviewed; two documented compatibility and CSP friction points below.
Support quality	No support evidence in sources	Community support only via GitHub and Reddit
Public sentiment	Users praise the Figma kit's quality and design-code pairing, but some question its usefulness outside Webflow workflows.^⁵	Developers on Reddit and review sites consistently praise Radix's accessibility and component quality, with unstyled overhead and slow updates as the main complaints.¹⁴
Biggest gotcha	Licenses are per single user; team seats multiply cost fast ($349 each for React)^¹	Headless means you write all styling; budget design time or pair with shadcn/ui¹³

Pick Untitled UI — Figma UI Kit and React Component Library when

Product teams on Figma + React/Tailwind
Startups bootstrapping app UI fast
Designers wanting design-code parity
Freelancers wanting lifetime licenses

When Untitled UI — Figma UI Kit and React Component Library is not a fit

Teams not using Figma or React/Tailwind
Products needing distinctive, custom-branded design
Native iOS/Android app teams
Buyers wanting vendor support SLAs or a hosted tool

Pick Radix UI when

React teams building custom design systems
shadcn/ui adopters . Radix is the engine underneath
Accessibility-critical web apps
Next.js projects

When Radix UI is not a fit

Non-React codebases . Primitives are React-only
Teams wanting ready-styled, plug-and-play components
No-code or low-code builders . no visual interface at all
Buyers needing vendor SLAs or paid support guarantees

Sources

Untitled UI official site and pricinguntitledui.com
official
Untitled UI product security pageuntitledui.com
security
Toolacademy review: 10,000+ components, 420+ pages, 2,000+ iconstoolacademy.ai
review
GitHub: untitleduico/react open-source Tailwind + React Aria componentsgithub.com
official
Hacker News discussion of Figma-to-code limitsnews.ycombinator.com
review
JavaScript in Plain English: Untitled UI React reviewjavascript.plainenglish.io
review
Reddit r/reactjs: Is Untitled UI React worth it?reddit.com
review
Design Systems Collective: Untitled UI for design systemsdesignsystemscollective.com
review
Untitled UI on X: 380,000+ designersx.com
official
Radix UI . official siteradix-ui.com
official
Radix UI Review 2026: Accessible React Primitives . Noizznoizz.io
review
Radix UI adoption guide . LogRocketblog.logrocket.com
review
Shadcn/ui vs. Radix UI . Vercelvercel.com
official
Radix UI Reviews 2026 . Product Huntproducthunt.com
review
Radix UI or Headless UI . Reddit r/Frontendreddit.com
review
Why isn't Radix UI updated anymore? . Reddit r/webdevreddit.com
review