G2 Vendor Directory

Fluid UI vs. Proto.io

A side-by-side comparison based on G2 review data.

MetricFluid UI

by Fluid Software

Proto.io

by Proto.io

Overall rating4.14.1
Review count2268
Ease of use9.18.4
Ease of setup9.08.5
Quality of support8.88.2
Meets requirements8.48.5
NPS40.90909135.820896
Small Business59.1%53.8%
Mid-Market36.4%27.7%
Enterprise4.5%18.5%
Total page views4073
Total LLM citations21187

Fluid UI

Fluid UI is the world's #1 Online Prototyping and Wireframing tool - for Desktop and Mobile.

Pros

    Proto.io

    Proto.io is an industry-leading prototyping platform. It gives designers, entrepreneurs, developers, and anyone with a great idea the power to create fully-interactive web and mobile prototypes of any fidelity that look and work exactly like a real app — all without a single line of code. It seamlessly covers the entire design process from early wireframes and mockups to interactive, animated, high-fidelity prototypes. Users can build, animate, review, and test their prototypes, all in one place, making the whole process easier than ever.

    Pros

    • Interactive Prototyping
    • Ease of Use
    • Time-saving
    • Team Collaboration
    • Prototyping