When comparing PaintCode vs Codename One, the Slant community recommends Codename One for most people. In the question“What are the best UI frameworks for iOS apps?” Codename One is ranked 1st while PaintCode is ranked 4th.
Ranked in these QuestionsQuestion Ranking
Pro Easy to create custom components
You make your components like if you're using a vector drawing program. Just drop shapes, draw curves, set stroke and fill color. You can use variables to store values, colors and gradients to use in your components and make them a bit interactive. After that, you just export your canvases to obj-c/swift and use them in your projects.
Pro Support for variables and expressions enables a powerful workflow
Variables are values you can store and bind in any inspector property. You can store values (integer, float,…), expressions ("3.1415 * offset - 1"), colors and gradients, you can store and use colors as a global tint and apply that tint to any object. You can create a color based on another color and modify its brightness, saturation or alpha and make shadows or gloss effects.
Pro Vector based design
Components are density independent.
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.