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React vs Angular in 2026: We Built the Same App in Both

React vs Angular with real numbers: the same app built in both, install size, build time and bundle size, the code side by side and who should pick each.

Published
Reading time
11 min read
Contents
  1. The short answer
  2. We built the same app in both
  3. The same component, side by side
  4. React
  5. Angular
  6. Library vs framework
  7. Learning curve
  8. Jobs and community
  9. Release cycles and support
  10. Decision checklist
  11. Tips for choosing
  12. FAQ
  13. Is React easier than Angular?
  14. Is Angular dying?
  15. Is Angular faster than React?
  16. Can I learn Angular after React, or the other way round?
  17. Should I use React or Next.js?
  18. Further reading

React and Angular are the two biggest names in frontend development, and the argument about which one is better has been going on for over a decade. Most comparisons answer it with opinions. This one starts with a test: we built the same small app in both, with each project's official tools and default settings, and measured what you actually get.

The short version: both are excellent, the gap is smaller than the internet suggests, and the right choice depends more on your team and your project than on the framework.

Nil's note

We studied both React and Angular in class, and to my surprise React was the harder one for me. Hooks took me a while to understand, and the rule that every component has to return a single root element felt strange to me. Angular felt simpler: there's one way to do each thing, and the templates read like HTML. That's why this comparison measures things instead of repeating that React is the easy one.

The short answer

  • Choose React if you want the biggest job market and ecosystem, you like choosing your own tools, or you'll use a framework built on it like Next.js.
  • Choose Angular if you want one complete, opinionated framework where routing, forms, HTTP and testing are already decided, especially for large apps and large teams.
  • Learning your first frontend tool? React has more tutorials, more jobs and a smaller core to learn. If a job or course you're aiming for uses Angular, though, start there.

We built the same app in both

The app is a small task list: add a task, tick it off, and see how many are left. Both projects were created the official way, with Vite's React TypeScript template and the Angular CLI's defaults, on Node.js 24, in November 2026.

MeasureReact 19.3 (Vite)Angular 22.2 (Angular CLI)
node_modules after creating the project96 MB294 MB
Production build time (average of 3)0.7 s3.4 s
JavaScript sent to the browser (gzip)66 kB74 kB, or 52 kB without the router
Lines in the component4043
Included out of the boxRendering onlyRouter, forms, testing with Vitest, formatting

A few things stand out:

  • Angular's install is three times bigger, partly because it includes more: a test setup, Prettier and the full CLI toolchain. React's template includes none of that; you add it when you need it.
  • Vite builds a small app almost instantly. Angular's build takes a few seconds; you'll notice it, but it isn't painful.
  • The bundle size myth is out of date. Angular's default project ships its router; without it, our Angular app was smaller than the React one (52 kB against 66 kB), because modern Angular compiles away what you don't use and no longer needs zone.js. Add a router to React and the numbers get even closer.

Both apps behaved identically in the browser.

The same component, side by side

React

import { useState, type FormEvent } from "react";

type Task = { id: number; title: string; done: boolean };

export default function App() {
  const [tasks, setTasks] = useState<Task[]>([]);
  const [title, setTitle] = useState("");
  const remaining = tasks.filter((t) => !t.done).length;

  function add(e: FormEvent) {
    e.preventDefault();
    if (!title.trim()) return;
    setTasks([...tasks, { id: Date.now(), title: title.trim(), done: false }]);
    setTitle("");
  }

  function toggle(id: number) {
    setTasks(tasks.map((t) => (t.id === id ? { ...t, done: !t.done } : t)));
  }

  return (
    <main>
      <h1>Tasks ({remaining} left)</h1>
      <form onSubmit={add}>
        <input value={title} onChange={(e) => setTitle(e.target.value)} placeholder="New task" />
        <button>Add</button>
      </form>
      <ul>
        {tasks.map((t) => (
          <li key={t.id}>
            <label>
              <input type="checkbox" checked={t.done} onChange={() => toggle(t.id)} />
              {t.title}
            </label>
          </li>
        ))}
      </ul>
    </main>
  );
}

Angular

import { Component, computed, signal } from "@angular/core";
import { FormsModule } from "@angular/forms";

type Task = { id: number; title: string; done: boolean };

@Component({
  selector: "app-root",
  imports: [FormsModule],
  template: `
    <main>
      <h1>Tasks ({{ remaining() }} left)</h1>
      <form (ngSubmit)="add()">
        <input [(ngModel)]="title" name="title" placeholder="New task" />
        <button>Add</button>
      </form>
      <ul>
        @for (t of tasks(); track t.id) {
          <li>
            <label>
              <input type="checkbox" [checked]="t.done" (change)="toggle(t.id)" />
              {{ t.title }}
            </label>
          </li>
        }
      </ul>
    </main>
  `,
})
export class App {
  tasks = signal<Task[]>([]);
  title = "";
  remaining = computed(() => this.tasks().filter((t) => !t.done).length);

  add() {
    if (!this.title.trim()) return;
    this.tasks.update((ts) => [...ts, { id: Date.now(), title: this.title.trim(), done: false }]);
    this.title = "";
  }

  toggle(id: number) {
    this.tasks.update((ts) => ts.map((t) => (t.id === id ? { ...t, done: !t.done } : t)));
  }
}

The length is almost the same. The difference is the style:

  • React is JavaScript with HTML inside it (JSX). A component is a function; loops are .map(), conditions are && or ternaries. If you know JavaScript, you can read it. One rule surprises beginners: a component must return a single root element. To return two siblings without an extra <div>, wrap them in a fragment: <>...</>.
  • Angular is a class with an HTML template. It has its own template syntax: {{ }} to show values, [ ] to pass data in, ( ) for events, [( )] for two-way binding, and @for and @if blocks. It's more to learn, but it reads like HTML.
  • Both now use signals-style reactivity. Angular's signal() and computed() update exactly what changed. React re-runs the component function and compares the result; the React Compiler, stable since October 2025, adds the optimizations you used to write by hand.

Library vs framework

This is the real difference, and it explains most of the others.

React is a library for building user interfaces. It renders components and manages their state, and that's it. Routing, forms, data fetching and testing come from other packages you choose: React Router or TanStack Router, React Hook Form, TanStack Query, Vitest. That freedom is great when you know what you want, and tiring when you don't. Many teams skip the decisions by using a framework built on React, like Next.js, which adds routing, server rendering and a build setup.

Angular is a complete framework. Routing, forms, an HTTP client, dependency injection, internationalization and a test setup are part of it, maintained by the same team and updated together. Two Angular projects from different companies look alike, which is why large organizations like it: new developers find their way around quickly.

NeedReactAngular
RoutingReact Router, TanStack Router, or a framework like Next.jsBuilt in
FormsReact Hook Form, or plain stateBuilt in (template and reactive forms)
Fetching dataTanStack Query, fetch, or the frameworkBuilt-in HTTP client
StateuseState, context, or Zustand, Redux and othersSignals and services
Project setupVite or a frameworkAngular CLI
LanguageJavaScript or TypeScriptTypeScript

Learning curve

React is quicker to start: a component is a function, and the core ideas (props, state, effects) fit on a page. The hard part comes later, when you have to choose and combine libraries, and understand when components re-render.

Angular asks more up front: TypeScript, decorators, its template syntax, dependency injection, and RxJS for some parts of the framework. In return, there's one recommended way to do most things, and the CLI generates components, services and tests for you. Recent versions have removed a lot of the old weight: standalone components replaced modules, signals make RxJS optional for everyday state, and new projects no longer use zone.js.

Jobs and community

React is used by far more developers. In recent Stack Overflow Developer Surveys it's been the most used frontend framework, with more than twice as many users as Angular, and it has the most job listings, tutorials and third-party libraries of any frontend tool.

Angular has a smaller but very stable market. It's common in large companies, banks, government projects and consultancies, where its structure and long-term support matter more than trends. Fewer jobs often also means fewer candidates per job.

Practical advice: look at job listings in the city or country where you want to work. In some markets, Angular is as common as React for the jobs a junior developer can get.

Release cycles and support

  • Angular releases a new major version every six months, and each one is supported for 18 months. The CLI's ng update command updates your code automatically for most changes.
  • React releases majors less often and keeps old patterns working for a long time; React 19 came out in December 2024. The bigger changes usually come from the tools around it, like Next.js or the router you chose.

Decision checklist

  1. Do you want the most jobs and the biggest ecosystem? → React
  2. Do you want one framework where the main decisions are already made? → Angular
  3. Is it a large app with a large team that needs consistency? → Angular, or React with a framework like Next.js
  4. Do you need server rendering and SEO with little setup? → React with Next.js (Angular also supports server rendering)
  5. Does the course, job or team you're joining use one already? → That one

Tips for choosing

The checklist covers the obvious cases. If you're still undecided, these tips settle it:

  1. Build the same small app in both. Take a weekend and build something like the task list above in each one. You'll know which one you enjoy within a few hours, and enjoying it is what keeps you learning. If you can, ask an AI assistant to explain each line as you go; it's one of the best ways to use AI while learning to code.
  2. Search the jobs you actually want. Open a job site, filter by your city or remote, and count "React" against "Angular" in junior listings. That number matters more than any global ranking.
  3. Look at who you'll work with. A team that already knows one of them is worth more than any technical advantage of the other. The same goes for your course: if it teaches Angular, learn Angular well first.
  4. Think about the project, not the hype. A portfolio, a landing page or a startup prototype benefit from React's speed and ecosystem. A big internal app with forms, roles and many screens benefits from Angular's structure.
  5. Learn JavaScript and TypeScript properly first. Both frameworks are much easier when the language isn't the hard part, and TypeScript is used in both.
  6. Don't switch in the middle of a project. Rewriting an app in the other framework rarely fixes the real problem. Finish it, then try the other one in the next project.
  7. Remember that the skills transfer. Components, state, props, routing and forms work the same way in both. Your first framework is the hard one; the second takes weeks, not months.

FAQ

Is React easier than Angular?

Not for everyone. React's core is small and it's plain JavaScript, but hooks (useState, useEffect and the rules about when they run) are a common stumbling block. Angular includes more to learn, but it gives you one clear way to do each thing, and many people find that simpler. Many developers find a large Angular app easier to keep organized than a large React app.

Is Angular dying?

No. Angular releases a major version every six months, is maintained by Google and is used in many large companies. Its recent versions (signals, standalone components, no zone.js) have made it simpler and faster than the Angular many older articles describe.

Is Angular faster than React?

For most apps, neither is noticeably faster; how you write the app matters more. In our test, Angular's JavaScript was smaller without its router, and both rendered the same app instantly.

Can I learn Angular after React, or the other way round?

Yes, and it's easier than learning the first one. Components, state, props and routing exist in both; you mostly learn new syntax. TypeScript, which Angular requires, is useful in React too.

Should I use React or Next.js?

Next.js is a framework built on React. For a website or an app that needs SEO and server rendering, starting with Next.js saves you from assembling the pieces yourself. For a single-page app behind a login, React with Vite is simpler.

Further reading

Written by Nil Martinez

Developer · DAM & DAW student

Developer studying multiplatform (DAM) and web (DAW) application development. I work every day with TypeScript, Angular, React, Java, Python, FastAPI, MySQL and Docker on Kubuntu, and I write about the tools I actually use.

How I test and write each guideGitHub

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