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Fluid UI vs Principle

A side-by-side look at Fluid UI and Principle. For an in-depth review of either product, follow the links below.

Fluid UI

Fluid UI

Development

Fluid UI is a user interface design and prototyping tool that allows designers and developers to quickly create interactive prototypes and high-fidelity visual designs for web and mobile apps. Its key features include a large component library, collaboration tools, animation builder, interactions editor, template library, and support for responsive design.

uiuxdesignprototypemobileweb
Principle

Principle

Design & Graphics

Principle is an open-source visual tool for building interactive UIs. It allows designers and developers to design, prototype, animate and develop user interfaces without writing code. Principle focuses on animations and interactions.

uiuxanimationprototypingdesign