Real Flutter source code — yours to download, free

Build production Flutter apps with AI — without knowing Flutter.

Nowa gives you a real AI agent and a full visual editor, side by side. Say what you want and it builds it. Drag and drop to change it. Open the code any time you like. What you get is a clean Flutter app, ready to ship. And the code is yours to download.

Free to start — 5 AI credits every day.

Trusted by builders from

Why Nowa is the best way to build Flutter apps. Five reasons, plainly.

You may have searched for a Flutter AI app builder, a no-code Flutter builder or a drag-and-drop editor. Either way you are asking one thing. Will this get my app built? And will it still hold up when the app gets big? Here is our answer.

1

An AI agent that knows Flutter

It is not a chat box that hands you snippets. Nowa’s agent plans the app with you. Then it builds whole screens, logic and data at once. And it keeps getting things right as your app grows.

2

Every part of your app, visually

Most builders only show you screens. Nowa shows you the whole Flutter app. The design, the layout, every setting, your logic, your data. Click any part of it and change it. No code. No guessing which prompt will move a button.

3

Flutter code that stays clean as you scale

Nowa checks every line the AI writes before it reaches your app. If it breaks the rules, Nowa fixes it. That is why your Flutter app keeps growing. You will not have to rebuild it to go live.

4

The Flutter source code is yours throughout

See the code behind any screen or button while you build. Change it right there if you want. Or download the whole Flutter project. Every plan can do this, even the free one.

5

Full local power when you want it

Keep a Flutter project on your own computer. Open it in Nowa and VS Code at the same time. Change it in one and it changes in the other. Run it on your own simulator with hot reload, just like a Flutter developer.

Why Flutter? Because of what it gets you.

Flutter is Google's free, open-source toolkit for building apps. Most tools like it hand your design over to the phone and hope it comes out right on both iPhone and Android. Flutter does not. It draws every pixel itself. Three good things come out of that, and they are why Nowa is built on it:

Build once, ship everywhere

One project turns into an iPhone app, an Android app, a website and a desktop app. You build it once. You do not keep four versions in step.

Interfaces that actually look designed

Flutter draws every pixel of your app itself. So you get rich designs and smooth motion. And your app looks the same on every phone.

Native speed on the device

Your app is turned into machine code before it ships. It is not a web page in a wrapper. It runs at full speed on the phone.

It is not a risky bet either. Google Pay, Google Earth and NotebookLM are built with Flutter. So are apps from BMW, Toyota, Alibaba, Nubank, eBay Motors, Universal Studios and PUBG MOBILE.

1.5M+people build with Flutter each month, up 50% in a year
1.3Badd-ons downloaded every 30 days
#2most used app toolkit on both app stores
6kinds of device from one project

Sources: Google's Flutter 3.44 announcement, May 2026, for developer, download and platform figures; Appfigures top-SDK rankings for app-store share — see who ships with Flutter →

Wondering about React Native? It is a good framework too. If your team already writes React, it is probably the right pick. Flutter wins when you want your own look, real motion, and the same result on every device. It also gives you web and desktop from the same project. That is the ground a visual builder needs, so that is where Nowa is.

A full AI agent, next to a full visual editor. Use whichever one suits the job.

  • The agent builds real Flutter. Whole screens, logic, menus, data. It can also change what is already there instead of starting over.
  • The visual editor gives you everything, not just screens. Every Flutter piece and setting, your logic, your data. Click it and change it.
  • The code is right there too. Read or rewrite any file without leaving Nowa.
  • No step is stuck in one mode. Ask for it, drag it, or type it. Switch part way through if the other way is quicker.

Why the same prompt gets further here. Your Flutter project is a map, not a pile of text files.

  • Most AI tools read your project as a pile of text files. Nowa loads it as a map of your real code. So the AI can see how the parts join up, and where a change will land.
  • That means the AI reads less and understands more. Answers come back faster, get it right more often, and cost you fewer credits.
  • Nowa checks every line the AI writes against its rules before that line reaches your app.
  • Nowa builds the frame of your app itself. The AI never has to guess at it, so the risky parts do not break.

Logic, data, and navigation — no Dart required. (But Dart is always welcome.)

  • Set up your logic, your menus and how the app remembers things, all visually. These are the hardest parts of Flutter to learn.
  • The AI grabs the add-ons your app needs and sets them up for you. Permissions, phone settings, all the fiddly bits.
  • No backend yet? Make a Supabase project, turn on its MCP connection, and the agent builds the backend with your app. Database, sign-in, all of it.
  • Already have one? Hook up Firebase, RevenueCat for paid plans, or any API you like.
  • Want to go deeper? You can. Write your own Dart, edit any file, work on your own computer, or link it to GitHub.

SupabaseDatabase & auth

FirebaseBackend & data

RevenueCatSubscriptions

Custom APIAny REST API

OpenAIGPT in your logic

Google SheetsRead & write data

…plus any package from pub.dev, Flutter’s open-source ecosystem.

Open the code. It reads like a developer wrote it.

Lots of tools promise you the code. Far fewer will show you what it looks like. That is because code made by machines is usually a mess. Huge files, no clear order, and an app you cannot really grow once you leave the tool that made it.

Nowa writes Flutter the normal way, the way a good developer would. Anything that breaks the rules gets rewritten before it reaches your app. And just as important, there is no Nowa-specific code in it. None of our own bits to carry around. Any Flutter developer can pick it up and keep going. Our engineers wrote up how →

You do not have to leave to see it, either. Look at the code behind any screen or button inside Nowa. Change it right there. Or download the whole project, on any plan, free included. Work on it in VS Code, then open it back up in Nowa and carry on.

What a screen looks like in a Nowa project
// lib/screens/home/home_screen.dart
import 'package:flutter/material.dart';
import 'package:habit_kit/widgets/habit_card.dart';
import 'package:habit_kit/state/habit_state.dart';

class HomeScreen extends StatelessWidget {
  const HomeScreen({super.key});

  @override
  Widget build(BuildContext context) {
    final habits = HabitState.of(context).todaysHabits;
    return Scaffold(
      appBar: AppBar(title: const Text('Today')),
      body: ListView.builder(
        itemCount: habits.length,
        itemBuilder: (context, index) =>
            HabitCard(habit: habits[index]),
      ),
    );
  }
}

Test it like a Flutter dev. Hot reload included.

Flutter developers are spoiled by hot reload. You change something and see it at once. Nowa keeps that. Play your whole app inside the editor. Run it on an iPhone or Android simulator. Or plug in your own phone and use the real thing while you build. Every change shows up live. Then, when it is ready, ship it everywhere Flutter goes:

Flutter Based

Export for every platform.
One application across multiple devices.

Every Nowa app is powered by Flutter — Google's framework behind apps like Google Pay, BMW, and Toyota — so one project can reach iOS, Android, web, and desktop.

Explore Nowa’s Flutter app builder
Android

Deploy an APK or AAB file to Play Store or other — as a release or debug build.

iOS

Connect your Apple developer account and push directly to TestFlight.

Web

Publish as a web app with a click, with your custom domain, or host anywhere you want.

Linux

Build a native Linux app from the same project, ready to distribute however you like.

MacOS

Build a native Mac app from the same project, ready to distribute however you like.

Windows

Build a native Windows app from the same project, ready to distribute however you like.

Why not just build it with an AI coding assistant? A fair question.

Claude Code, Cursor and the rest write real Flutter, and they write it well. But they hand the work back to you to check. That is fine if you are a Flutter developer and can read what the AI just did. If you are not, you have no way to tell good code from a mess until something breaks. Nowa checks it for you. Here is what else changes:

You can see the app, not just its code

With a coding tool you read the code, run the app, and go back and forth to find out what you got. In Nowa the whole Flutter app is laid out in front of you. Every screen, every part, every bit of logic. You spot what is wrong by looking at it. You fix it by clicking it. That is far quicker than picturing it in your head.

You are not the one checking the AI

Give a coding tool a big enough job and it starts writing in different ways. One style here, a shortcut there. Over time the app gets slower and harder to change. With those tools you are the reviewer. You have to catch that yourself, and that means knowing Flutter well. Nowa checks every line against its rules as it goes. So the mess never builds up, and your whole focus can stay on building something great.

There is no toolchain to babysit

No Flutter SDK to install and keep up to date. No signing keys to fight with. Nothing to set up before you can build. Simulators, phone testing, store builds and web hosting are ready to go. You spend your time on the app, not on the setup.

It is not tied to your desk

A coding tool needs your laptop and a terminal. Nowa runs in your browser and on your desktop. And Nowa GO, now in early access, will let you build from your phone or tablet too.

Start building free

Or see the Flutter apps people have made with it, over in the showcase.

A free Flutter app builder, with the good parts included.

Start on the free Starter plan. You get 5 AI credits a day, as many projects as you like, and as many code downloads as you like. So you can build your whole Flutter app and walk away with the code without paying a cent. Want to publish to the App Store, Google Play or your own domain? That starts at $24 a month, billed yearly. And Nowa never takes a cut of what your app earns.

  • 5 AI credits every day
  • Unlimited projects
  • Unlimited code downloads
Start building freeCompare plans

Flutter app builder questions, answered straight.

Can I build a Flutter app without writing Dart?

Yes. That is what a Flutter app builder is for. You describe your app in plain words. The AI builds the screens, the logic and the data. Then you can change any part of it by hand in the visual editor. Real Dart code is being written the whole time. So the day you want to look at it, or hire a developer, the code is right there.

Should I pick Flutter or React Native for my app?

Both make great apps. React Native comes from Meta. It suits teams that already write JavaScript. Flutter comes from Google. It draws its own pixels, so your app looks the same on every phone. It runs at native speed. And one project covers phone, web and desktop. If you are not a developer, the tool you use matters more than the framework. That is where Nowa comes in.

Is there a free Flutter app builder that exports source code?

Yes. The free Starter plan lets you download your full source code as often as you like. You also get 5 AI credits a day and as many projects as you want. So you can build your whole app and keep the code before you pay a cent. That is rarer than it should be. Most builders make you pay to get your code, so check that first.

Do visual builders produce real Flutter code, or a proprietary format?

It depends on the tool, so ask before you spend weeks on one. A Nowa project is a normal Flutter project. Normal Dart files. Normal folders. It opens in VS Code or Android Studio and runs with the usual Flutter tools. Nothing is saved in a secret format only Nowa can read. The visual editor and the code are two views of the same project.

Can I add custom Dart code and pub.dev packages?

Yes to both. The AI already pulls what it needs from pub.dev. That is Flutter’s library of thousands of free add-ons. You can add any of them yourself too. You can also write your own Dart. Edit any file inside Nowa and see the change right away, or work on the project on your own computer. On the Scale plan you can also link it to GitHub.

Can I take my project out of Nowa and bring it back in?

Yes. That round trip is the whole point. Download your full Flutter code at any time. Open it in VS Code or Android Studio and change what you like. Then open it back up in Nowa and keep building. You can also open both at once on the same project. A change in one shows up in the other right away.

What happens to my Flutter app if I stop using Nowa?

Nothing bad happens, and that is on purpose. Apps you have already published stay live. They sit in your own store accounts. The code you downloaded is a normal Flutter project, so you or any Flutter developer can keep working on it. Nowa never takes a cut of what your app earns. And it does not hold your app hostage if you leave.

What does "drag and drop" actually mean in a Flutter app builder?

The words cover two different things. In a builder like Nowa, drag and drop is how you edit. You drag pieces onto the screen, move them around, and set how they look. In Flutter itself, drag and drop can also be a feature inside your app, like dragging a card into a list. Nowa gives you the first. And because Nowa apps are real Flutter, it can build you the second too.

Are apps from a Flutter app builder as fast as hand-written Flutter?

Yes. It is the same framework and the same compiler, so it turns into machine code the same way. What really decides speed is how tidy the code is, and that is where builders differ. Nowa checks every line the AI writes against its rules before it lands in your app. So you do not hit the wall that messy code creates.

Can I publish my Flutter app to the App Store and Google Play?

Yes. Nowa builds your Android app for Google Play, and sends your iPhone app to TestFlight under your own Apple account, ready to send in. Your web app goes live on your own domain in one click. The same project can also be built for Windows, Mac and Linux.

Do I need a Mac to build a Flutter app for iOS?

No. Nowa builds your iPhone app in the cloud and sends it to TestFlight. So you can publish to the App Store from Windows, Mac or Linux. You do need an Apple developer account. That part is Apple’s rule, not ours.

Is Flutter still actively developed?

Yes, very much so. Google put out 30 Flutter updates in 2025 and has kept going through 2026. A big release lands about every three months, and Google has promised at least four more this year. Flutter is the second most used app toolkit on both app stores. Canonical, the company behind Ubuntu, built its installer with it. And the 2026 Toyota RAV4 runs Flutter on its dashboard screen.

Success starts with a prompt.

Start for free, upgrade when needed.

Start building free