Astryx vs Material UI
Which should you use? A side-by-side look at what each one does, who it suits, what it costs, how hard it is to set up, and where each falls short.
Open source · MIT
An open source React design system of accessible components, themes, and a CLI, built for people and AI agents
Open source · MIT
A React component library of ready-made UI pieces built on Google's Material Design.
The short answer
Choose Astryx if you need…
- React teams that want a ready-made, accessible component library
- Designers who want to customize the look through CSS theme variables
- Teams already using AI coding assistants who want consistent, documented components
- Developers who want to copy component source into their own project and modify it
Choose Material UI if you need…
- React developers who want a consistent, prebuilt set of UI components
- Teams that want to follow Material Design guidelines
- Projects that need a large, documented component set
- Developers who want to extend basic components with more complex ones from the companion MUI X library
Side-by-side
| Astryx | Material UI | |
|---|---|---|
| Type | Library | Library |
| Price | Free and open source | Free and open source |
| Licence | MIT | MIT |
| GitHub stars | 13.8k | 99.3k |
| Setup difficulty | Intermediate | Intermediate |
| How you get it | Install with a package manager | Install with a package manager |
| Main language | TypeScript | JavaScript |
| Last code update | 4 days ago | 4 days ago |
What each one is
Astryx
Astryx is a design system: a set of pre-built React components, themes, and templates that help teams build consistent user interfaces faster. It grew inside Meta and the README says it ships 150+ accessible components, dark mode, and a CLI. It is designed so both people and AI coding assistants can use the same docs and tooling.
Material UI
Material UI is a collection of React components, such as buttons, menus and form controls, that follow Google's Material Design visual system. Developers add these pieces to a React web app instead of building every interface element from scratch. The README describes it as a mature project with thousands of contributors and an MIT license.
Best for
Astryx
- React teams that want a ready-made, accessible component library
- Designers who want to customize the look through CSS theme variables
- Teams already using AI coding assistants who want consistent, documented components
- Developers who want to copy component source into their own project and modify it
Material UI
- React developers who want a consistent, prebuilt set of UI components
- Teams that want to follow Material Design guidelines
- Projects that need a large, documented component set
- Developers who want to extend basic components with more complex ones from the companion MUI X library
Strengths
Astryx
- Components are documented and follow consistent naming and prop conventions, according to the README
- Styling can be overridden with Tailwind, CSS modules, or plain CSS, so it does not force one styling approach
- Has a large real-world user base inside Meta, per the README, and is MIT licensed
Material UI
- Large, well-documented component set based on a known design system
- Long development history and a large contributor base, according to the README
- Free under the MIT license
Not ideal for
Astryx
- Projects that need a stable, long-term API: the README says Astryx is currently in Beta
- Projects not using React 19 or later, which is a stated requirement
- Teams that want a design system with no code to adopt or maintain, since it requires installing packages and wiring up themes
Material UI
- People who are not writing React code, since the library is built for React specifically
- Teams that want a completely custom visual style without Material Design, because the components follow that look by default
- Beginners with no JavaScript or React background, who should learn the basics first
Trade-offs
Astryx
- The README says it is currently in Beta, so APIs may change
- Requires React 19 or later and several npm packages to get started
- Some packages such as charts are only available under a canary tag with no stable release yet
Material UI
- Tied to React, so it does not help with other frameworks
- Its default look is recognizably Material Design, which takes extra work to restyle
- Advanced components are in a separate project, MUI X, which may need its own setup
Getting started
Astryx
Install core, theme, and peer dependencies with npm
npm install @astryxdesign/core @astryxdesign/theme-neutral @stylexjs/stylexInstall the CLI as a dev dependency
npm install -D @astryxdesign/cliMaterial UI
Install the package from npm (command not shown in the README excerpt; this is the standard npm form)
npm install @mui/material @emotion/react @emotion/styledFrequently asked questions
What is the difference between Astryx and Material UI?
Astryx: An open source React design system of accessible components, themes, and a CLI, built for people and AI agents. Material UI: A React component library of ready-made UI pieces built on Google's Material Design. Astryx suits react teams that want a ready-made, accessible component library, while Material UI suits react developers who want a consistent, prebuilt set of ui components.
Are Astryx and Material UI free?
Astryx: Free and open source. Material UI: Free and open source.
Is Astryx or Material UI more popular?
Material UI has more GitHub stars (99.3k) than Astryx (13.8k). Popularity isn't the same as fit — check which one matches your use case above.
What are other alternatives to Astryx and Material UI?
Other options people compare them with include Chakra UI, Mantine, Ant Design, Base UI, React-Bootstrap.
Keep comparing
Built from our catalogue entries for both products: open-source details come from each project's README (AI-assisted, refreshed weekly) and GitHub data; AI-tool details are editorial. Spotted something wrong? Let us know from either product's page.