Xamarin Forms vs Qt
When comparing Xamarin Forms vs Qt, the Slant community recommends Qt for most people. In the question“What are the best systems to deliver native Android and iOS apps from one code?” Qt is ranked 3rd while Xamarin Forms is ranked 4th.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Many tutorials online to start learning
Pro Supports F#
Xamarin supports F#, giving developers a functional language for building native apps on iOS, Android and Windows.
Pro Free
Microsoft bought Xamarin and made it free.
Pro Cross platform
Pro Open-source
Pro Global community
The community behind Qt is both massive and approachable. Digia (also owners) are joined by the likes of Intel, KDAB, ICS, Canonical and numerous others in sponsoring development, while communities such as KDE also contribute significantly. Forums are active, mailing lists are open, irc channels chatting, git repositories well managed. Answers to questions are usually minutes away.
Pro Good documentation
Professional, thorough documentation with examples, available either in a web browser or in the stand-alone desktop client called assistant.