Qt 5 to Qt 6 migration &
software development
Qwasaa, your expert for
We modernize your applications with Qt 6 - delivering powerful, future-proof, and efficient solutions for optimal software development.
More than just software development
Qwasaa is your competent partner for professional software development, Qt migration and IT consulting. We support companies in the modernization of their applications, especially in the migration from Qt 5 to Qt 6, to ensure long-term stability, performance and security.
Our services
We boost the success of your project
Our experienced team supports you with technical planning, architectural decisions, and implementation strategies. We help you choose future-proof technologies and implement IT projects efficiently.
The transition to Qt 6 offers numerous advantages but requires careful planning and technical expertise. We handle the entire migration process to ensure a smooth transition.
Our migration steps:
1. Discovery:
Analysis of the existing architecture, codebase, and development environment.
2. Preparation:
Upgrade to Qt 5.15, bug fixes, initial tests.
3. Migration:
Implementation of the new Qt 6 APIs, code adaptation, stabilization.
4. Testing & Optimization:
Detailed tests, performance improvements, ensuring operating system compatibility.
We offer customized Qt and C++ software solutions for various industries. Whether desktop, embedded, or mobile applications, we develop high-performance and secure software products that integrate seamlessly into your infrastructure.
Mature software projects often contain technical debt that negatively impacts maintainability and speed. We analyze your software, optimize code quality, and enhance the efficiency of your applications.
We develop high-performance, maintainable and secure web and portal applications with Symfony. Whether platform, company portal or integration of existing systems – we implement your requirements in a modular, efficient and future-proof way.
Why Qwasaa
What we can do for you
- Specialized in Qt & C++ – In-depth expertise in migration and development with Qt and modern C++ technologies.
- Experience in complex projects – Expertise in handling mature codebases, multi-platform development, and technical debt.
- Optimization & future-proofing – We not only improve your software but also ensure it remains stable and maintainable in the long term.
- Cybersecurity & compliance – Adherence to EU cybersecurity standards (CRA) for maximum security.
Benefits of migration to Qt 6
Reasons to Make the Switch
- Higher performance – Improved Qt Graphics Stack for faster and smoother applications.
- Better developer tools – More efficient development with new Qt tools such as QML Lint and QML Format.
- Stability & security – Long-term maintenance, better support for modern platforms, and security updates.
- Reduced maintenance effort – Simplified upgrade process for future Qt versions.
- Cost savings & increased productivity – Reduction of errors, less development effort, and higher efficiency.
Qt migration that delivers business value
Economic benefits
Our Qt migration offers not only technical advantages but also financial savings.
Example based on a customer reference:
- 25% increase in productivity – Savings of 0.5 FTE per team of 4.
- 15% reduction in instabilities – Decrease in crashes and support costs.
- > € 2,500 in monthly savings – Through more efficient development processes.
Invest now in performance, stability – and real cost savings.
Qt 6 migration checklist
Confidently migrate with us
The migration from Qt 5 to Qt 6 is always complex – especially with larger code bases, customised UI components and long–established build setups. Our compact checklist gives you full control over every step: analyse, convert, optimise.
Download Qt 6 migration checklist now
The migration to Qt 6 is in your hands – and with the right preparation, it will be a success.
About Qwasaa
Qwasaa was founded in 2014, relaunched in 2024, and consists of an experienced team of Qt, C++, and C# specialists. Our focus is on high-performance, maintainable, and future-proof software development. Our experts have many years of experience in software modernization and collaborate with companies from various industries. We employ agile methods to execute your projects efficiently and successfully. Let’s elevate your software to the next level together!