React Native UI Kitten is described as 'UI Kitten is a framework for React Native providing a set of consistently styled, commonly used UI components. Focus on business logic while UI Kitten takes care of the visuals'. There are six alternatives to React Native UI Kitten for Self-Hosted solutions, React Native, Online / Web-based, Android and iPhone. The best alternative is NativeBase, which is both free and Open Source. Other great apps like React Native UI Kitten are Shoutem UI toolkit (Free, Open Source), React Native Starter (Freemium, Open Source), React Native Elements (Free, Open Source) and Galio (Free, Open Source).
Galio is a beautifully designed, free and open source React Native UI built from the ground up as a framework. Carefully crafted by developers for developers. Ready-made components, typography, and a gorgeous base theme that is easily adaptable to each project.