otf-kit vs Material UI (MUI) — picking a UI library in 2026
Pick MUI if your product must look like Material Design and you only ship to web. Pick otf-kit if you want a bespoke look across web + iOS + Android, lighter bundles, and a starter that includes auth + Stripe.
TL;DR
Material UI (now just MUI) is the most-installed React component library on npm — it's the safe enterprise choice. The trade is that you inherit Google's Material Design language, a substantial CSS-in-JS runtime (Emotion), and a web-only mental model.
otf-kit is the bet on the opposite axes: bespoke design (17 themes, zero Material lock-in), zero-runtime styling (Tailwind on web), and cross-platform parity (Tamagui on native). Same component coverage, much lighter bundle, ships to mobile.
Feature matrix
| otf-kit | MUI | |
|---|---|---|
| Platforms | Web + iOS + Android | Web only |
| Component count | 198+ web · 80+ native | 100+ web |
| Design language | 17 picker-driven themes — Linear, Glass, Midnight, etc. | Material Design 3 (opinionated) |
| Styling engine | Tailwind v4 (web) · Tamagui (native) | Emotion or styled-components |
| Runtime cost | Zero CSS-in-JS | Emotion runtime per render |
| Bundle (Button + Card) | ~12 KB gzipped | ~38 KB gzipped |
| Full-stack kits | SaaS Dashboard ($149) · Fitness ($149) | None — components only |
| Data Grid | TanStack Table integration in kit | MUI X DataGrid (paid Pro) |
| TypeScript | Strict, runtime-validated | Strict |
| Pricing | SDK free · Kits $149 each | Free + MUI X Pro $15/dev/mo |
When MUI wins
- Your product must look like Material Design (Google ecosystem alignment, internal tooling, etc.).
- You need MUI X's enterprise-grade DataGrid (virtualized, server-paginated, tree data, etc.) and you're willing to pay the per-developer license.
- Your team has deep MUI expertise already and migration cost outweighs the upside.
- You're web-only with no React Native plan.
When otf-kit wins
- You don't want Material Design — you want a bespoke look without ripping out a styling engine.
- You're shipping cross-platform (Expo + Next.js). MUI doesn't run on RN; you'd need a parallel system anyway.
- You want smaller bundles. Tailwind is build-time; CSS-in-JS adds parse + serialize on every render.
- You want a full-stack kit ($149 once, source-included) instead of paying per-developer for premium components.
Code comparison — Button
// MUI
import Button from '@mui/material/Button'
<Button variant="contained" color="primary">Click me</Button>// otf-kit
import { Button } from '@otfdashkit/ui'
<Button variant="default" color="primary">Click me</Button>Native parity:
// otf-kit on React Native
import { Button } from '@otfdashkit/ui-native'
<Button variant="default" color="primary">Click me</Button>Migrating from MUI to otf-kit
MUI's component coverage maps cleanly onto otf-kit:
| MUI | otf-kit |
|---|---|
<Button> | <Button> |
<TextField> | <Input> + <Label> |
<Card> | <Card> |
<Dialog> | <Dialog> (Radix-backed) |
<DataGrid> (X) | <DataTable> (TanStack Table in kit) |
<Snackbar> | <Toast> |
Use our Design Token Migrator → to convert your MUI theme palette to otf-kit's CSS-variable token system.
FAQ
Does otf-kit have a DataGrid as powerful as MUI X?
The SaaS Dashboard kit ($149) ships a TanStack-Table-based <DataTable> with sorting, filtering, pagination, column resize, row selection, and CSV export. For enterprise tree-data and virtualization scenarios, MUI X is still the most feature-complete option.
Can I use Material Design with otf-kit? Not out of the box — our themes are intentionally non-Material. If you need Material specifically, MUI is the right call.
What about server components?
otf-kit ships server-component-friendly variants (no 'use client' where avoidable). MUI's CSS-in-JS runtime forces 'use client' on most components.