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Native Cross-Platform App Development

Create beautiful cross-platform apps for Mobile, Desktop, Embedded & Web with the free Felgo SDK & Felgo Services!


Felgo Cross-Platform SDK & Tooling Develop beautiful applications for Android, iOS, Desktop, Web, Embedded. Rapidly!

Felgo is a native cross-platform application development SDK, based on the Qt framework. With Felgo, you can create modern, flexible & beautiful apps, compiled natively from a single code-base.

Speed up your development with hot reload and more cutting-edge tooling for all supported platforms. Save up to 90% code with true cross-platform components, service integrations and native UI/UX out-of-the-box.

Add leading third-party services in minutes, without the hassle of dealing with native framework integrations.

Already know Qt? Learn what Felgo adds on top of Qt.

Companies have access to a free Business Evaluation!


APIs & Controls

200+ APIs on top of Qt, both visual and functional components. Create better applications in less time.

QML Hot Reload

Change your QML & JavaScript source code and view the result in realtime on any connected device.

Cloud Builds CI/CD

Boost your development with continuous integration and delivery (CI/CD) for Qt and Felgo projects.

Felgo Professional ServicesDevelopment, consulting and training for any step along your journey!


Application development services for Android, iOS, Desktop, Web, Embedded. We help you to bring your vision to life!


Cut your risks and accelerate your development process. We help you to deliver your product to customers!

Training & Workshops

Qt trainings & tailored Qt workshops based on your requirements and level of experience.

Felgo is an official Qt Service Partner, specialized in fast and high quality mobile, desktop, embedded and web app development with 10+ years of experience. We helped our customers to bring their vision to life and deliver successful apps for many industries, including automotive, and manufactring.

We offer a variety of services like Qt development, Qt consulting, Qt trainings and workshops, both remote and on-site.

Contact us to talk about your requirements and how we can help you.

Curious who we already helped? Check out the success stories.


What our Customers Say


"We wanted to make a really good product - no compromises on quality due to time constraints. This is why we went for a supplier like Felgo. It was just a seamless way of working together."

Noir Lumière

"We chose Felgo because of its high level of Qt expertise. Their professional services team helped us to introduce new features and solve problems fast and efficiently."


"I really had a good feeling about the team already just from working with the Felgo SDK. The working relationship was easy, excellent results, great team.

Felgo really stepped up to the plate and honored my faith."

Join Felgo Partners and Customers like


Try Felgo in Your Browser

Try this Felgo example right in your browser without installing the SDK.

import QtQuick 2.0
import Felgo 3.0

App {
  id: app

  onInitTheme: Theme.platform = "ios"

  Navigation {

    NavigationItem {
      title: "Main Page"
      icon: IconType.heart

      NavigationStack {
        Page {
          id: mainPage
          title: "Main"

          rightBarItem: TextButtonBarItem {
            text: "Theme"
            onClicked: Theme.platform = nextTheme()

          Column {
            anchors.centerIn: parent

            AppButton {
              text: "Push Sub Page"
              flat: false
              onClicked: mainPage.navigationStack.push(subPageComponent)
    NavigationItem {
      title: "Second Page"
      icon: IconType.image

      NavigationStack {
        Page {
          title: "Second"

          AppImage {
            source: "../assets/felgo-logo.png"
            anchors.centerIn: parent

  function nextTheme() {
    return Theme.platform == "ios" ? "android" : Theme.platform == "android" ? "windows" : "ios"

  Component {
    id: subPageComponent

    ListPage {
      title: "Sub Page"
      backgroundColor: "#f1f2f3"
      model: 100

      delegate: AppListItem {
        text: "Item " + modelData

Try More Examples

You can try many more examples in your browser, or on your mobile phone with the Felgo Developer App.

Felgo Tooling HighlightsHeavily improve your productivity, with Felgo tooling for Qt.

Develop Faster with QML Hot Reload

QML Hot Reload with Felgo Live allows you to change your source code and view the result in realtime, without losing the application state.

Test any QML, JavaScript and asset changes instantly on every connected device, immediately after saving.


Build & Distribute with Cloud Builds CI/CD

Felgo Cloud Builds helps you to boost your app development with continuous integration and delivery for Qt and Felgo projects.

Build, distribute and publish your apps from the cloud, without installing and maintaining local toolchains.

Develop Online with the Felgo Cloud IDE

The Felgo Cloud IDE is a web-based development environment for Qt and QML projects right within your browser. Access and edit your Qt projects from anywhere in the world, without installing anything on your computer.

Together with Felgo Cloud Builds CI/CD, you can fully develop and distribute app updates in the cloud.


More Resources

Success Stories
Whitepapers & Webinars
SDK Documentation
Felgo Blog

Coming from another platform?Here are resources for you to get started:


200+ APIs on top of Qt, together with unique tooling and services. Felgo makes Qt even better!


Native Apps

Create native cross-platform apps, with native UI/UX from a single code base, or integrate with existing native apps.

Web & JavaScript

Leverage your existing JS skills. Felgo uses QML & JavaScript as its primary development language.

Flutter & React Native

Learn about differences and similarities between Felgo, Flutter and React Native, and how you can benefit from them.

Embedded Systems

Make use of professional tooling and features to speed up development for embedded targets.

Game Development

Create cross-platform single and multiplayer games with rich features and top performance.

Turbo Charge Your Next App

Try out Felgo now and join 100.000+ other developers.