Top 3 Fluid UI alternatives

Last updated: February 21, 2018
Fluid UI
Fluid UI helps you prototype Android, iPhone, iPad or Windows 8 mobile apps with our custom libraries, or upload your own images for pixel perfect mobile apps. Preview your mockup directly in your browser or install the Android or iOS apps to test directly on your device. Share the mockup with clients, stakeholders and users and get invaluable feedback long before writing a single line of code.
The best Fluid UI alternatives:


InVision lets you transform your designs into beautiful, interactive web & mobile mockups and prototypes. Upload your designs and quickly turn them into clickable, interactive prototypes complete with gestures, transitions & animations. Send a link to open designs in a browser or on a mobile device, or present them in real-time using our LiveShare presentation tool that revolutionises the design meeting.

Create fully-interactive high-fidelity prototypes in minutes that look and work exactly like your app should. Turn your wireframes and mobile mockups into amazing interactive prototypes. Filled with rich media, animations and touch events. Swipe, tap, rotate and examine your app inside out the same way your end user will. Share your prototype with colleagues and friends to collaborate and review.

Balsamiq Mockups

Mockups really shines during the early stages of designing a new interface. Mockups offers the same speed and rough feel as sketching with pencil, with the advantage of the digital medium: drag & drop to resize and rearrange elements, make changes without starting over, and your work is clear enough that you'll make sense of them later.