Fluid UI is a browser-based wireframing and prototyping tool developed by Fluid Software and used to design mobile touch interfaces.
License: Freemium
Apps available for Online
InVision is a prototyping, collaboration & workflow platform. Developed by InVisionApp
Fluid UI is best suited for quick, collaborative prototyping with a user-friendly interface, while InVision excels in high-fidelity prototyping with advanced animation features and robust user testing options.