Hacker ApprovedDepartments

MUI (Material UI)

Shares rank 9 of 14 UI component libraries by recommenders

Developers recommend MUI as a cohesive, complete React component library with a free data grid. Critics call it bloated and say its modal dialogs hurt accessibility.

Developers recommend MUI as a cohesive, complete React component library with a free data grid. Critics call it bloated and say its modal dialogs hurt accessibility.

15 people gave an opinion

recommend it
8
criticize it
7
approval share
53%
Each figure is one person. RecommendsCriticizes

Recommended in 7 of 13 months

  1. November 2025: recommended
  2. December 2025: recommended
  3. January 2026: recommended
  4. February 2026: recommended
  5. March 2026: recommended
  6. April 2026: not recommended
  7. May 2026: not recommended
  8. June 2026: recommended
  9. July 2026: recommended
  10. August 2026: not recommended
  11. September 2026: not recommended
  12. October 2026: not recommended
  13. November 2026: not recommended (month in progress)

Why it doesn’t carry the badge

  • 8 people recommend itNeeds 10 or more, not met.
  • 1.1 recommenders for every criticNeeds 2 to 1 or better, not met.
  • Recommended in 7 of 13 monthsNeeds 4 or more, met.

The same three rules apply to every product, and the badge can’t be bought. How the badge works

What people say about it

The reasons people give, with the number of comments that give each one. Open a reason to read what they said.

Why people recommend it

Each mark is one comment

  • Cohesive, complete component library

    “They provide coherence and many styles to choose from”

    Comment from 12 Jun 2026 in “Slightly reducing the sloppiness of AI generated front end”

    “far more broad, complete and cohesive as a whole”

    Comment from 9 Dec 2025 in “No ARIA is better than bad ARIA”
  • Good overall React experience

    “more than happy with React, Redux and MUI for a long while at this point.”

    Comment from 12 Dec 2025 in “Denial of service and source code exposure in React Server Components”

    “I've yet to see a better overall experience than React+MUI myself.”

    Comment from 9 Dec 2025 in “No ARIA is better than bad ARIA”

    “now I think it's at good level and usable”

    Comment from 30 Mar 2026 in “Just released 3 examples for my native HTML/CSS UI for windows, feedback welcome”

What people warn about

Each mark is one comment

  • Heavy, sluggish, slows first paint

    “bloated do-everything libraries. Ant, MUI, Mantine, or whatever else is aimed to be a superset of all possible website needs”

    Comment from 26 May 2026 in “Does Anybody Actually Like React?”

    “creates real friction for SSR, streaming, and time-to-first-paint”

    Comment from 11 Jan 2026 in “AI is a business model stress test”

    “that general lethargic feel to the UI was noticeable”

    Comment from 17 Jul 2026 in “Old Icons”
  • Accessibility failures with modal dialogs

    “mainstream React frameworks still aren't using the element and without that you will fail WCAG”

    Comment from 21 Apr 2026 in “Modern Front end Complexity: essential or accidental?”

    “you can't really pass accessibility reviews if you use the modal dialogs that come with MUI”

    Comment from 20 Feb 2026 in “Web Components: The Framework-Free Renaissance”
  • Seen as dreadful, lazy choice

    “MUI is one of the most dreadful UI libraries I have ever had to use.”

    Comment from 5 Jul 2026 in “Shadcn/UI now defaults to Base UI instead of Radix”

    “It's mind-bogglingly lazy to choose something like MUI (Material UI)”

    Comment from 3 Aug 2026 in “Bonsai: Janestreet's UI Library”

Other UI component libraries people recommend

The four most recommended other UI component libraries, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.

MUI (Material UI) compared with 4 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
shadcn/ui825460%121 yr3 owners—
Jelly UI413852%1——
Tailwind UI382858%3——
Performative-UI38883%2——
MUI (Material UI)This page8753%7——
See all 14 UI component libraries, ranked

What people said

20 of the 21 comments that mention it, newest first. Each links to the original comment.

“It's mind-bogglingly lazy to choose something like MUI (Material UI)”

CriticizesComment from 3 Aug 2026 in “Bonsai: Janestreet's UI Library”

“that general lethargic feel to the UI was noticeable”

CriticizesComment from 17 Jul 2026 in “Old Icons”

“it was a fantastic system for programming user interfaces and for displaying user interfaces”

MixedComment from 17 Jul 2026 in “Old Icons”

“we don’t have to make too many architecture decisions – we just do whatever MUI does”

RecommendsComment from 11 Jul 2026 in “Shadcn/UI now defaults to Base UI instead of Radix”

“MUI is one of the most dreadful UI libraries I have ever had to use.”

CriticizesComment from 5 Jul 2026 in “Shadcn/UI now defaults to Base UI instead of Radix”

“you’d find react 17 wasn’t supported”

CriticizesComment from 5 Jul 2026 in “Shadcn/UI now defaults to Base UI instead of Radix”

“They provide coherence and many styles to choose from”

RecommendsComment from 12 Jun 2026 in “Slightly reducing the sloppiness of AI generated front end”

“bloated do-everything libraries. Ant, MUI, Mantine, or whatever else is aimed to be a superset of all possible website needs”

CriticizesComment from 26 May 2026 in “Does Anybody Actually Like React?”

“mainstream React frameworks still aren't using the element and without that you will fail WCAG”

CriticizesComment from 21 Apr 2026 in “Modern Front end Complexity: essential or accidental?”

“When MUI computes the coordinates wrong and something draws 20px right of where it should be... I fix it.”

CriticizesComment from 6 Apr 2026 in “Microsoft Hasn't Had a Coherent GUI Strategy Since Petzold”

“now I think it's at good level and usable”

RecommendsComment from 30 Mar 2026 in “Just released 3 examples for my native HTML/CSS UI for windows, feedback welcome”

“you can't really pass accessibility reviews if you use the modal dialogs that come with MUI”

CriticizesComment from 20 Feb 2026 in “Web Components: The Framework-Free Renaissance”

“MUI or Mantine for the components”

RecommendsComment from 11 Feb 2026 in “Quitting .NET after 22 years”

“MUI provides a styled() function and a component, either one of which could have been used”

MixedComment from 15 Jan 2026 in “Scaling long-running autonomous coding”

“creates real friction for SSR, streaming, and time-to-first-paint”

CriticizesComment from 11 Jan 2026 in “AI is a business model stress test”

“it doesn't even offer anything like DataGrid (free with mui)”

RecommendsComment from 7 Jan 2026 in “Creators of Tailwind laid off 75% of their engineering team”

“more than happy with React, Redux and MUI for a long while at this point.”

RecommendsComment from 12 Dec 2025 in “Denial of service and source code exposure in React Server Components”

“I've yet to see a better overall experience than React+MUI myself.”

RecommendsComment from 9 Dec 2025 in “No ARIA is better than bad ARIA”

“far more broad, complete and cohesive as a whole”

MixedComment from 9 Dec 2025 in “No ARIA is better than bad ARIA”

“I'm not familiar with any open-source alternatives that come close”

RecommendsComment from 3 Nov 2025 in “Why Nextcloud feels slow to use”

Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.