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Developer Tools · head to head

ESLint vs MUI

ESLint logo

ESLint

Developer Tools

Find and fix problems in JavaScript code

From
Free
Rated
-
Full reviewWebsite
MUI logo

MUI

Web Development

React component library implementing Material Design

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: ESLint slow performance on large codebases compared to newer tools like Oxlint and Biome; MUI escaping the Material Design look takes more theming effort than teams expect

Where they differ

Only the attributes on which ESLint and MUI actually diverge.

Attributes where ESLint and MUI differ
AttributeESLintMUI
Pricing modelUnknownOpen-source core with paid tiers for advanced components
PlatformsBrowser-based JavaScript, Node.js, Any JavaScript environmentWeb
CategoryDeveloper ToolsWeb Development
Founded2019Unknown

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in ESLint

Nothing recorded that MUI does not also cover.

Only in MUI

  • Large component set
  • Theming system
  • Accessibility
  • TypeScript support

What people use each for

The jobs each tool is most often brought in to do.

ESLint

  • Statically analysing JavaScript and JSX to find problems before runtimenot MUI
  • Automatically fixing issues with syntax-aware rewritesnot MUI
  • Enforcing a consistent code style across a teamnot MUI
  • Running as a CI step to block non-conforming codenot MUI
  • Writing custom rules for project-specific conventionsnot MUI

MUI

  • Building an admin or internal application quickly with components that already worknot ESLint
  • Teams needing accessible complex widgets without building themnot ESLint
  • Products where Material Design is an acceptable or desired starting pointnot ESLint

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

ESLint

  • Slow performance on large codebases compared to newer tools like Oxlint and Biome
  • Complexity in configuration from scratch, particularly for TypeScript support
  • Limited built-in TypeScript support, requiring separate parsers and coordination with new TypeScript features

MUI

  • Escaping the Material Design look takes more theming effort than teams expect
  • Bundle size is significant, and careless imports pull in far more than needed
  • Advanced components such as the full data grid require a paid licence
  • Major version upgrades have historically required real migration work

Pricing, plan by plan

ESLint

Free

No published plan breakdown. See the ESLint review.

MUI

Free
  • CommunityFree
    • Core component library
    • Theming
    • Community support

Which should you pick?

Choose ESLint if

  • You want to start without paying.
  • You work on Browser-based JavaScript, Node.js, Any JavaScript environment.
ESLint review

Choose MUI if

  • You need large component set.
  • You want to start without paying.
  • You also want theming system.
MUI review

Questions people ask

Is ESLint or MUI better?
Neither clearly leads. ESLint starts at Free and MUI at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, ESLint or MUI?
ESLint starts at Free and MUI at Free.
Does ESLint or MUI run on more platforms?
ESLint runs on Browser-based JavaScript, Node.js, Any JavaScript environment. MUI runs on Web.
Can I use ESLint for free?
Both have a free tier, so you can try either at no cost before committing.
What is ESLint best used for?
ESLint is most often used for statically analysing javascript and jsx to find problems before runtime, automatically fixing issues with syntax-aware rewrites, enforcing a consistent code style across a team, running as a ci step to block non-conforming code. Of those, statically analysing javascript and jsx to find problems before runtime and automatically fixing issues with syntax-aware rewrites are not what MUI is typically brought in for.
What can ESLint do that MUI cannot?
MUI covers Large component set, Theming system, Accessibility, TypeScript support.

Answered from the vendors’ own pages

ESLint: Does ESLint automatically fix code issues?

Many problems ESLint finds can be automatically fixed via the --fix flag. ESLint fixes are syntax-aware so you won't experience errors introduced by traditional find-and-replace algorithms.

Source
MUI: Is MUI free?

The core library is open source and free. Advanced components, including the full-featured data grid, require a paid licence.

ESLint: How much does ESLint cost?

ESLint is completely free and open-source software maintained by the OpenJS Foundation. The project accepts voluntary donations from sponsors.

Source
MUI: Can MUI look non-Material?

Yes, through the theming system, but a substantial departure takes real work. Teams wanting full design control often prefer unstyled primitives instead.

ESLint: Can I write custom ESLint rules?

Yes. You can develop custom rules that work alongside built-in functionality through ESLint's plugin system, allowing complete customization for your project needs.

Source
MUI: Does MUI handle accessibility?

Components follow WAI-ARIA patterns by default, which is a large part of why teams adopt it.

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