Is Plex UI an Untitled UI alternative?

Yes. Plex UI and Untitled UI both target design systems, but Plex UI focuses on exact Figma-to-code parity, a 9-step size scale, and a free React package.

When does Untitled UI fit better?

Untitled UI is often a strong option for design-first teams that prioritize broad template catalogs, established Figma patterns, and a long-running ecosystem.

When should teams choose Plex UI?

Choose Plex UI when you need consistent 9-size controls, three-layer tokens, and a synchronized workflow between Figma variables and production React components.

Plex UI vs Untitled UI

A practical comparison for teams choosing between a design-first system and a Figma + React workflow with exact parity.

Key differences

Plex UI provides 9 control sizes and three-layer tokens for tighter design-to-code scaling.
Untitled UI remains strong in templates, ecosystem maturity, and design-first workflows.
Plex UI keeps React components free and aligns Figma variables with production code.
Both support modern dark mode and strong accessibility baselines.

Plex UI vs Untitled UI feature comparison table

Feature	Plex UI	Untitled UI
Figma variants	22,000+	8,000+
Size scale per component	9 sizes (22px to 48px)	4 to 5 sizes
Token layers	3 layers (primitive, semantic, component)	Typically 2 layers
Token implementation	CSS variables + Figma Variables	Figma Variables first
React library	Free MIT package	Paid in full bundle (~$299)
Figma-to-code parity	Exact parity by design	Approximate parity
AI editor compatibility	Designed for AI-assisted coding	Not positioned for AI-first workflows
Component count	35 components + 14 hooks	Broad set across UI patterns
Icon count	6,600+	2,000+
Dark mode
Templates and blocks	Growing collection	Larger template catalog
Pricing	Free and open-source	Figma kits from $79; React in higher-tier bundles

Figma variants

Plex UI

22,000+

Untitled UI

8,000+

Size scale per component

Plex UI

9 sizes (22px to 48px)

Untitled UI

4 to 5 sizes

Token layers

Plex UI

3 layers (primitive, semantic, component)

Untitled UI

Typically 2 layers

Token implementation

Plex UI

CSS variables + Figma Variables

Untitled UI

Figma Variables first

React library

Plex UI

Free MIT package

Untitled UI

Paid in full bundle (~$299)

Figma-to-code parity

Plex UI

Exact parity by design

Untitled UI

Approximate parity

AI editor compatibility

Plex UI

Designed for AI-assisted coding

Untitled UI

Not positioned for AI-first workflows

Component count

Plex UI

35 components + 14 hooks

Untitled UI

Broad set across UI patterns

Icon count

Plex UI

6,600+

Untitled UI

2,000+

Dark mode

Plex UI

Untitled UI

Templates and blocks

Plex UI

Growing collection

Untitled UI

Larger template catalog

Pricing

Plex UI

Free and open-source

Untitled UI

Figma kits from $79; React in higher-tier bundles

Where Untitled UI wins

More templates and prebuilt page patterns across marketing and product scenarios.
Larger community footprint and broader third-party resources.
Strong design-first approach with a longer market track record.

Where Plex UI wins

9-size control system is more granular than typical 4 to 5 size scales.
Free React library lowers implementation cost for engineering teams.
Three-layer tokens improve maintainability for large product surfaces.
Exact Figma parity and AI editor focus support faster implementation loops.

Pricing comparison: Plex UI vs Untitled UI

Plex UI ships every React component free on npm, with no paid tier. Untitled UI sells design kits, and React code access is generally tied to higher-priced bundles.

Who should use which?

Choose Untitled UI if you need

A design-first library with many page templates ready early in a project.
An ecosystem with broad market awareness and longer history.
Figma-first delivery where engineering assets are secondary.

Choose Plex UI if you need

One system shared by designers and engineers with exact parity.
Fine-grained sizing flexibility across real product surfaces.
A free, open-source React library with exact Figma-to-code parity.

Compare by trying the docs

Browse the components and see how the sizing behavior holds up across real product surfaces.

Explore components