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Development of cross-platform software with the C++ framework of Qt

Qt provides a rich set of tools for designing, developing, testing, deploying, and managing cross-platform software. When you develop software using the Qt C++ framework, you get a unified codebase across all operating systems (Windows, Linux, Android, iOS…), platforms, and form factors, from desktop to embedded to mobile.

Consistent user experiences, an essential step in digital transformation, can be achieved with Qt’s C++ framework. This modern and powerful solution for software development in C++ can map 3D and AR features in addition to developing high-performance user interfaces and lightweight touchscreen applications. The demands on the way users interact with digital products are constantly increasing, driven by the variety and complexity of devices and machines..

In the age of the smartphone, users expect fast response times and high-quality touchscreen interfaces while keeping hardware costs low. Qt has addressed these challenges by providing a highly productive development environment designed for scalability, performance and flexibility.

Qt Facts

Publication Date


Company Headquarters

Helsinki, Finnland

Target Audience

International companies

Technology used




Licensing Model

Open Source, commercial license

Web Site

igniti is Qt Service Partner

As a Qt agency for custom software development, we place a high value on efficient work and high-performance results. With The Qt Company as our service partner, we have the market leader in cross-platform C++ frameworks on our side. The Qt Company’s open-source program enables us to develop powerful desktop, mobile and embedded applications at the level we envision for our customers. We are proud that igniti has been an official Qt Partner Agency since 2020 and is actively involved in shaping the Qt project.

Qt Service Partner | igniti GmbH

Qt Commerce Connector: Revolutionise your e-commerce

Maximise the potential of your Qt applications

Are you looking for a way to easily link your Qt applications to e-commerce platforms? The Qt Commerce Connector from igniti could be just what you need. This advanced interface allows easy integration of e-commerce features into Qt using the Qt API and fits perfectly into the Qt Toolkit.

In addition, the Qt Commerce Connector provides connections to leading e-commerce systems such as Spryker, Magento and Shopware. As a recognised Qt Professional Service Partner, we are also able to adapt the Connector for other e-commerce platforms to present you with the optimal solution.

Qt Commerce Connector application from igniti

Qt Success Story


Using the Qt framework, our Qt developers and UX designers work hand in hand with the goal of optimally integrating your software solution into your digital processes. We have many years of experience in designing and developing software and app development for various devices in Qt technology. Our success stories speak for themselves.

Mobile App Development with Qt

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Qt 6.0 – Next generation user experiences and unlimited scalability for your software

The latest version of the 25-year-old framework, Qt 6.0, was released on December 8, 2020 and made significant changes. Version 6 includes support for C++17, a CMake build system, a new generation of QML, and a new graphics architecture.

The changes at a glance:

  • Prerequisite is C++17
  • Qt core improvements – property and binding system are new
  • Unicode integration in strings is nearly completed
  • QList and QVector are unified
  • Qt Core components like Qt Concurrent, Qt Network or even QMetaType and QVariant have been reworked
  • Qt Quick gets an abstraction layer (Rendering Hardware Interface – RHI) and support for desktop styling
  • Qt 6.0 relies on CMake, but still supports qmake.Qt 6.2 update for more stability and features

Qt 6.6 update for a more productive backend and UI design

As an open-source programme, the Qt framework is constantly evolving – also thanks to an active user community. With the Qt 6.6 update, the current version of the Qt framework receives a number of improvements and new features that improve development flexibility and application performance.

Responsive layouts with Qt Quick

A key highlight of Qt 6.6 is the extended functionality in Qt Quick, which enables developers to create flexible and responsive layouts. With this feature, applications can work seamlessly on different screen sizes and devices. With improved rendering options, developers can now design and optimise the user experience even more precisely.

Qt update productive backend

Extended platform support

Another significant advance in Qt 6.6 is the expansion of platform support. The latest versions of Android and advanced support for ARM architectures on desktops are now better supported, giving developers even more versatile options. New and more efficient installation options are here for a more seamless experience across different platforms.


Further Highlights

  • Technology Preview “Qt Graphs”
  • Window recording in Qt Multimedia
  • Qt gRPC and Qt Protobuf
  • Stabilisation of the Qt WebEngine
  • Fine-grained rendering control
  • Qt TextToSpeech
  • Qt for Python

Why use the Qt software framework?

✓ Scalability

Qt’s platform-independent approach provides the flexibility to respond to change. Over the course of a product’s lifecycle, technology changes may require a change in either operating system or hardware platform. This migration is much easier with Qt than with other frameworks, saving significant development time and resources.

✓ Fast time to market

From mock-up and prototyping to implementation and testing of the first software version, all steps of the development process must be as efficient as possible to minimize costs and time-to-market. Qt makes it easy for interdisciplinary teams to work together in a development environment. Designers, developers, translators, and other stakeholders communicate in the shortest paths and in the same language. Developers can release mockups and prototypes faster with Qt, and the number of iteration loops can be significantly reduced.

✓ Reduced cost of ownership

Qt’s platform independence and use of common development tools significantly reduces development costs and speeds time to market. As a result, the total cost of ownership is very low, and investments in new products and enhancements are quickly recouped.

✓ Reducing Hardware Complexity

When developing embedded systems, it is important to keep costs down in order to offer competitive prices. The powerful software components provided by Qt reduce the hardware requirements, which in turn reduces the cost of the overall product.

✓ Qt Performance

Based on the C++ programming language, this software framework is a high-performance, platform-independent toolkit that can be used to implement user interfaces and back ends. User interfaces developed with Qt require significantly less processing power than other toolkits, making them ideal for battery-powered and more compact devices. Device interactions are also expected to be fast and reliable.

✓ Wide range of applications

Qt is used in more than 70 industries and can be applied to smart and mobile devices as well as to control complex industrial machinery. It is certified to international safety standards and can be used in highly regulated environments with many regulatory requirements. Additional tools, protocols, and libraries built into Qt Creator address the specific needs of the automotive, automation, and healthcare industries.

Qt Software Consultation igniti

Interested in software development with Qt?

As an experienced software agency, igniti can help you find the best solution for your project. Our interdisciplinary and competent team of developers is sure to have the optimal software solution with the Qt framework ready.


Feel free to contact us by mail or call us if you want to know more. We are happy to help you.


We look forward to hearing from you


The most important Qt features

Quick Controls – Dynamic User Interfaces

Qt Quick provides an out-of-the-box standard library for writing QML applications. On a visual desktop, you can quickly and easily assemble and configure ready-made widgets such as sliders, buttons, drop-down menus, controllers, and input fields. Animation and transition effects are easily created with Quick.

Linguist – Internationalization with Qt

With Qt’s C++ software framework, nothing stands in the way of an internationalization strategy. Translators can use the linguist tool to quickly and easily translate the content in the applications. No computer skills are required beyond the ability to run a program and use a text editor or word processor. It is designed from the ground up for internationalization and takes into account stored country-specific features, such as automatically changing the direction of text flow from right to left or vice versa.

Photoshop Bridge

Qt has developed a plug-in for Photoshop that makes it easy to export design drafts and make them available to developers with an integrated translation process in QML. This ensures barrier-free work between stakeholders.

UI Design Tool – Designers and developers speak one language

The UI design tool in Qt Creator puts designers and developers on the same page. It gives us the ability to work on a common UI framework, which significantly reduces iteration loops and results in faster time-to-market. As a designer, you can design the UI with your favorite graphics tool and then use the meta object to automatically synthesize the compiler into C++ code. Qt developers can focus on implementing the application logic without being distracted by design adjustments. The intuitive workflow enhances product innovation and significantly improves the user experience.

Qt Infographic Application Development

Advantages of Qt at a glance

The Qt framework offers many advantages for the development of new projects. Find out how easy and sustainable it is to use the Qt Creator:

  • Flexible development environment: Switching operating systems and/or hardware is easy, fast and straightforward.
  • Rapid design process: Process graphical mock-ups and prototypes created by designers and deploy to multiple platforms for testing and implementation.
  • Choose the optimal operating system and hardware setup for your project: Based on your requirements, you can create the perfect synergy of components, and Qt helps you do it.
  • Qt reduces the need for coordination in software development: A unified codebase and development tools make teams much more efficient.
  • As a Qt Service Partner, we and our customers are guaranteed comprehensive and fast support in all areas.

Conquer the market together with Qt –
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