In 2023, there are several C++ frameworks available for mobile app development. The best one for you will depend on your specific requirements and the type of app you want to develop. Here are some popular options:

• Qt: Qt is a popular cross-platform C++ framework that allows you to develop mobile apps for iOS and Android. It has a large community and supports multiple development platforms, including macOS, Windows, and Linux. Qt provides a wide range of tools and features, including a GUI builder, APIs for networking, SQL, and multimedia, and a cross-platform IDE.
• Marmalade: Marmalade is another popular C++ framework for mobile app development. It supports multiple platforms, including iOS, Android, BlackBerry, and Windows Phone. Marmalade offers a range of tools and features, including a high-performance graphics engine, support for multi-touch input, and integration with popular third-party libraries.
• Appcelerator Titanium: Appcelerator Titanium is a cross-platform C++ framework that allows you to develop mobile apps for iOS and Android. It provides a set of APIs for building native UI components and accessing device functionality, such as the camera and accelerometer. Appcelerator also supports web technologies like HTML, CSS, and JavaScript.
• Cocos2d-x: Cocos2d-x is a popular open-source C++ framework for game development. It supports multiple platforms, including iOS, Android, and Windows Phone. Cocos2d-x provides a range of features for developing 2D games, including a physics engine, particle system, and sprite animation.

Qt is one of the most popular cross-platform mobile development frameworks that use C++. Qt is a popular choice for developing cross-platform mobile applications as it allows you to write code once and deploy it on multiple platforms, including Android, iOS, and Windows.

Qt provides rich features and libraries for developing high-performance, visually appealing, and responsive mobile applications. The framework comes with powerful tools and IDEs, such as Qt Creator, that make it easy to create, debug, and deploy your applications.

Many current applications use the Qt framework for their development. Here are a few examples:

• Autodesk Maya – 3D animation, modeling, simulation, and rendering software.
• VirtualBox – Open source virtualization software that allows you to run multiple operating systems on a single machine.
• VLC media player – Open source multimedia player that supports various audio and video formats.
• Google Earth – Virtual globe, map, and geographic information program.
• Spotify – Music streaming service that allows you to listen to millions of songs and podcasts.
• KDE Plasma – A popular Linux desktop environment with a modern and customizable interface.
• Krita – An open-source digital painting program used by professional artists and illustrators.

These are just a few examples of applications that use the Qt framework. Qt is a popular choice for developing cross-platform applications due to its versatility, ease of use, and robust feature set.

What are the benefits of using QT?

Cross-platform support: Qt provides a comprehensive set of tools and libraries that allow you to develop applications for multiple platforms, including desktop, mobile, and embedded systems.
Language flexibility: Qt supports multiple programming languages, including C++, QML, and JavaScript, giving you the flexibility to choose the language that best suits your needs.
Mature technology: Qt has been around for over 25 years and has a large and active community of developers contributing to the framework, making it a mature and stable technology.
Rich features: Qt provides a rich set of features and tools, including a powerful UI designer, support for 2D and 3D graphics, and extensive support for multimedia, networking, and database operations.
Good documentation and support: Qt has excellent documentation and a large community of developers who contribute to the framework, making it easier to get help when needed.

CONCLUSION

Overall, Qt is an excellent choice for cross-platform mobile development with C++ as it provides an easy-to-use and comprehensive framework that allows you to create high-quality applications for multiple platforms.