React development services - and the UI you're using is one of ours.
Intention InfoService builds custom React interfaces - single-page apps, dashboards, design systems and front-ends for your existing backend - by a small senior team, at transparent published fixed prices, shipped in weeks. The interface you're using right now is a React 19 app, so you can inspect the craft before you hire the team. You own 100% of the code - standard React, no lock-in.
Fixed price, code you own, shipped in weeks.
- You own 100% of the code
- Published fixed pricing
- React 19 + TypeScript
This UI's toolkitLive
- This UI
- React 19 components + TypeScript
- State
- Hooks, TanStack Query + Zustand
- Components
- Tailwind + shadcn/ui + Radix
- Tested
- Vitest + Playwright
Open React DevTools - the component tree you'll see is our work.
The interface you're using is React. Inspect it.
This isn't a portfolio screenshot. The navigation, the theme toggle and the accordions on this page are React components managing their own state, live. Almost no agency dares say "open the hood" - we're inviting you to.
- Open React DevTools - the live component tree is our work
- The theme toggle, menu and these accordions are React components
- Server-rendered HTML that hydrates into React (great for first paint)
- Standard React 19 + TypeScript - code you'd own outright
A component is built once and behaves predictably in every state - that's React's reusability. And a React UI can still be fast: this page scores 100 on Lighthouse with good Core Web Vitals. Check it with the link.
Interfaces, not just websites
React is the UI layer - so this is where interactivity lives. A typical React engagement is one of these:
Single-page apps (SPAs)
The classic React build - React 19 + Vite + routing for app-like products that update instantly, no full reloads.
Dashboards & admin panels
Data-heavy interactive UIs - analytics, BI, CRM screens, booking engines, real-time interfaces behind a login.
Design systems & component libraries
Reusable, accessible, themeable component kits - shadcn/ui and Radix on Tailwind, documented in Storybook.
Embedded React widgets
Drop-in interactive components mounted into an existing, often non-React page - calculators, configurators, portals.
Front-ends for your backend
You have a Django, Laravel, Node or Java API - we build the React UI on top, cleanly and typed.
Legacy front-end migration
Move jQuery or AngularJS to modern React - incrementally, component by component, with nothing breaking.
React or Next.js? The honest answer.
If it lives behind a login or inside an app - a dashboard, an internal tool, a widget - plain React is the right, lighter tool, and that's this page. But the moment a page must rank in Google, React needs server rendering - and the standard way to get that is Next.js, a React framework. So for public, SEO-critical sites, ecommerce and full-stack apps, see our Next.js development. We'll pick the right one for the job.
React is one of the stacks behind our web design and development services. Building a React web app or SaaS? Custom software development covers the systems side. And the same React model powers mobile via React Native.
Why teams build UIs on React
React is the UI library we reach for when interactivity, reuse and a maintainable codebase all matter. Here's what it buys you - and, honestly, when it isn't enough on its own.
Reusability that compounds
Build a UI vocabulary once and reuse it across the whole product - faster features, a consistent design, lower long-term cost.
The biggest ecosystem & talent pool
The most-used UI library on earth: more solved problems, more libraries, and developers who can maintain your code long after we hand it over.
Interactivity done right
The best-in-class experience for rich, app-like interfaces that update instantly as users interact, without full page reloads.
One model that scales
The same component and hook model works from a single widget to a large app, so teams and codebases grow without switching paradigms.
Skills carry to mobile
The same React mental model powers native mobile through React Native, so web and app share concepts and a lot of logic.
A low-regret default
Meta-backed, React 19 shipped with a compiler, and it tops the usage surveys - choosing React in 2026 is the safe, well-supported bet.
When React alone isn't the right tool
A plain React app renders in the browser, so by itself it's a weak choice for pages that must rank in Google - it ships a near-empty HTML shell. If SEO and server rendering matter, you want a React framework, which is Next.js. And a simple content site or blog may not need React at all - static HTML can be lighter and cheaper, and we'll say so rather than over-engineer. Not sure which way to go? We'll pick the right stack for the job.
React the 2026 way, not the 2020 way
The difference between a senior React build and a scaffolded one is judgment - the right state tool, the right hook, the right component boundary. Here's the depth we bring.
React 19 in practice
Actions and useActionState for forms and async, useOptimistic for instant feedback, the use() hook to read data in render, and ref-as-prop (no more forwardRef ceremony).
The React Compiler
We write straightforward components and let the compiler auto-memoize, instead of littering the code with manual useMemo and useCallback.
Custom hooks
Reusable stateful logic extracted into hooks - useDebounce, useMediaQuery, data hooks - the real unit of reuse in a React codebase.
State, by type
Server data in TanStack Query, client state in Zustand, config in Context, the URL for shareable state - not one global store for everything.
Performance
Code-splitting and lazy loading, Suspense boundaries, and list virtualization for large tables and feeds, so big apps stay responsive.
TypeScript-first
Typed props, hooks and store selectors by default - fewer runtime surprises and safer refactors as the app grows.
Tested & accessible
React Testing Library on Vitest, Playwright end-to-end, and Storybook for components - with semantic HTML, ARIA and keyboard support built in.
Design systems
Reusable, themeable, accessible component libraries on shadcn/ui and Radix with Tailwind - React's home turf, and yours to own.
Our default state architecture: server data lives in TanStack Query, client and UI state in Zustand, slow-moving config like theme and auth in Context, and shareable state in the URL. Redux Toolkit only when a large, multi-team app genuinely calls for it. Most apps need less global state than they think - and that restraint is most of what keeps a React codebase maintainable.
From flows to a shipped React app
We architect the components and state before we build, so the codebase stays clean as it grows - and most React builds go from kickoff to live in weeks, not months.
Discovery & UX
2-3 daysWe map the flows, states and data your interface needs, and agree scope and a fixed price up front.
Component architecture
daysWe design the component tree and state model first - reusable, typed and accessible from the start.
Build in sprints
weeksComponents built and wired to your data, demoed on a live URL every week - never a black box.
Test & polish
ongoingReact Testing Library and Playwright, plus accessibility and performance passes, so it ships solid.
Launch & care
on deliveryDeployed, documented and handed over - with an optional care plan to keep it healthy.
The honest 2026 framework comparison
We're stack-agnostic, so this is fair, not a pitch. All three are excellent - the real choice in 2026 is about hiring, team size and how much structure you want.
| React | Angular | Vue | |
|---|---|---|---|
| Type | UI library | Full framework | Progressive framework |
| Ecosystem & talent | Largest of the three | Large, enterprise-leaning | Growing |
| Structure | Flexible - assemble your own | Opinionated - batteries included | Flexible but guided |
| Learning curve | Moderate | Steeper | Gentle |
| Best for | Interactive UIs, big talent pool, mobile reach | Large enterprise apps wanting one prescribed way | Fast, simpler builds and incremental adoption |
| Path to mobile | React Native | Ionic / NativeScript | Ionic / NativeScript |
| Our take | Our default for interactive web | When you want everything prescribed | Great - just a smaller ecosystem |
The 2026 convergence: all three are moving to fine-grained reactivity - Angular added signals and zoneless change detection, React shipped its Compiler, Vue advanced Vapor mode - so the pick is less about raw performance and more about your team.
What a React app costs
No quote wall. A React build is priced by our published web tiers - the same numbers on our pricing page and everywhere else. You always see the price before you commit.
Starter
1 week
A single-page site or landing page, live fast
- 1 to 5 page site or landing page
- Mobile-responsive, on-brand design
- SEO & schema baseline
Launch Sprint
2-3 weeks
Startups needing a fast, credible site
- Up to 8 pages
- Next.js + CMS
- SEO & schema baseline
Growth Site
3-5 weeks
SMBs that want a lead engine
- 8-30 pages
- Blog / CMS
- AEO/GEO content structure
Commerce Sprint
4-6 weeks
DTC / e-commerce brands
- Headless Shopify or Next.js commerce
- Payments
- Performance-tuned PDP & checkout
MVP Sprint
6-10 weeks
Pre-seed / seed founders
- Core-feature web app / SaaS
- Auth + database
- Deployed & measured
See full package details on pricing and our web design & development service.
React development, answered
Is React a framework or a library?
React is a JavaScript library for building user interfaces - specifically the view and component layer. It is not a full framework: routing, data fetching and server rendering come from your own choices or from a React framework like Next.js.
What is React used for?
Building interactive user interfaces and single-page applications - dashboards, web app front ends, SaaS UIs, complex forms, design systems and any interface that updates instantly as users interact, without full page reloads.
Is React good for SEO?
Honestly, not on its own. A plain client-rendered React app serves an almost-empty HTML shell, which search engines struggle with. To make React SEO-friendly you use server rendering - which is exactly what the Next.js framework provides. If SEO matters, we build on Next.js, not React alone.
React vs Angular - which is better?
React is a flexible UI library with the largest ecosystem and talent pool; Angular is a full, opinionated framework favored by large enterprises that want everything built in. React wins on flexibility, hiring and ecosystem; Angular wins when you want one prescribed way to do everything.
React vs Vue - which should I choose?
Both are excellent component-based options. Vue is often simpler to start with; React has a far larger ecosystem, talent pool and third-party support, plus a clear path to mobile via React Native. For most teams hiring and scaling in 2026, React is the lower-regret default.
Do I need Next.js, or is React enough?
If you need SEO, server rendering, routing and a production structure out of the box, use Next.js (a React framework). If you're building a logged-in app or dashboard where SEO doesn't matter, React on Vite is often enough. We help you pick the right one.
What are React hooks?
Functions that let components use state and other React features without classes - useState, useEffect, useContext, useRef and more, plus React 19 additions like use(), useActionState and useOptimistic. You also write custom hooks to reuse stateful logic across components.
What is new in React 19?
Actions and useActionState for async and form flows, useOptimistic for instant UI feedback, the use() hook to read promises and context in render, ref as a regular prop (no more forwardRef), and the React Compiler, which auto-optimizes rendering so manual useMemo and useCallback are largely unnecessary.
What state management should a React app use?
In 2026, a clean default: TanStack Query for server data, Zustand for client and UI state, React Context for slow-changing config like theme and auth, and the URL for shareable state. Redux Toolkit only for large, multi-team apps. Avoid putting API responses into a global store.
Is React fast, or does it hurt performance?
React is fast when built well - our own site is a React 19 app with strong Core Web Vitals you can measure right now. The React 19 compiler auto-optimizes re-renders, and techniques like code-splitting and list virtualization keep large apps responsive.
React vs React Native - what's the difference?
React builds interfaces for the web (it renders to the DOM); React Native uses the same React model to build native mobile apps (rendering to iOS and Android). Same mental model - components, hooks, state - a different rendering target, so skills and much logic carry over.
How much does a React app or website cost?
A React build is priced on our published web tiers: Starter from $300, Launch Sprint from $1,500, Growth Site from $4,000, Commerce Sprint from $7,000, and a web-app MVP Sprint from $12,000. Fixed and published, no hidden quote - you see the price before you commit.
Is React still worth using in 2026?
Yes. React remains the most-used UI library, is Meta-backed, and just shipped React 19 with a compiler that removed much of the old complexity. It's the low-risk, well-supported default for new interactive products, with the biggest hiring pool to maintain them.
Do I own the React code you build?
Yes, completely - it's standard React in your repository, under your accounts, with no proprietary lock-in. Because React is the most widely known UI library, any competent developer can maintain it after us. Ownership and transparent fixed pricing are the whole point.
Ready to build with React?
Get a fixed-price quote for a React app or interface - or just open DevTools and inspect the one you're using. You own the code, and there's no quote wall.

