When comparing Appcelerator Titanium vs Codename One, the Slant community recommends Codename One for most people. In the question“What are the best frameworks for developing cross-platform mobile apps?” Codename One is ranked 7th while Appcelerator Titanium is ranked 12th.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Provides a native experience
Through using Titanium's API and UI components similar to that of the platform's native UI, Titanium provides a native experience.
Pro High performance
Pro Open source
Pro Highly customizable
By utilizing lightweight component architecture and the built in graphical designer and theming options you are able to customize a good looking app on any platform.
Pro Java 8 support
Pro Works with all IDEs
Works with NetBeans, Eclipse, IntelliJ, etc.
Pro Multi-platform development environments (via build server)
You can even use Linux desktops to build native iOS apps, no need for a Mac.
Pro Vibrant & helpful community
Pro Attractive pricing
It is possible to build production grade apps even with the free version. Pricing is decent when compared to competitors like Xamarin.
Cons
Con Has specific requirements with regards to installed libraries
