Qt | Frequently Asked Questions

3.11. Can I mix code written with Open Source Qt and commercially licensed Qt?

Written by Qt Messaging Team | Aug 19, 2020 1:06:32 PM

No. 

If you want to migrate from open source Qt to a commercial license, then please contact Qt sales.


There are also more topics on this question under https://www.qt.io/faq/tag/qt-commercial-licensing