When comparing Ruboto vs Kivy, the Slant community recommends Kivy for most people. In the question“What are the best alternatives to Java for Android development?” Kivy is ranked 6th while Ruboto is ranked 12th. The most important reason people chose Kivy is:
Kv design language is designed to work well with scalable graphical user interfaces (GUIs) as one of its primary focuses. It also segregates the logic from the design elements, making them easier to visually distinguish from each other.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Freely mix Java and Ruby in a Ruboto project
Ruby is kind of slow, but you can rewrite the bottlenecks in Java for performance.
Pro Kv design language
Kv design language is designed to work well with scalable graphical user interfaces (GUIs) as one of its primary focuses. It also segregates the logic from the design elements, making them easier to visually distinguish from each other.
Pro Multitouch gestures
Cons
Con App startup takes a few seconds
This is a big deal on mobile.
Con Documentation & examples are terrible
Terrible documentation & not too many resources can be found.