Welcome to the world's #1
Software Mockup Tool

Rapid Mockup Design with built-in Libraries and Icons

Create mockups using hundreds of built in widgets and icons or upload your own content from Sketch, Photoshop or other tools.

Collaborative Mockup Design and Sharing

Create, share and communicate your mockups with your entire team - no matter where they are in the world.

Design on Desktop. Test on Mobile.

Preview your mockups as you build them and test your ideas with customers and teammates early and often.

Live Video Hangouts, Comments and Chat

Connect designers and developers together in live presentations to communicate your ideas without ever leaving Fluid UI.

Used by the very best product design teams in the industry

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Start now. Get your entire team designing mockups together in the next 15 minutes

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Or see our training and tutorials.