Quant-UX is unclaimed —

Quant-UX

Prototype, Test and Learn·quant-ux.com

Quant-UX is a research, usability, and prototyping tool that lets users quickly build interactive prototypes and test them with real users to get data-driven insights. It combines a visual design canvas, AI assistant, design systems, and interactive widgets for prototyping with usability testing features like screen recordings, A/B testing, and surveys. It also provides automatic analytics such as heatmaps, drop-off analysis, and success-rate evaluation. The tool positions itself as the only free, open-source prototyping and user research tool.

What it's for

Building interactive UI prototypesRunning usability tests with real usersA/B testing design variationsCollecting user feedback via surveysAnalyzing heatmaps and click behaviorTracking task success rates and drop-offsTeaching UI/UX design in classes

Features 20

A/B testing operator to compare design variants
AI assistant for generating prototype fragments
Animation Composer for prototype animations
Automatic analytics computation and visualization
Automatic evaluation of success rates and KPIs
Automatic screen recordings of every test
Built-in surveys/questionnaires
Business logic modeling with REST requests and decision elements
Data binding to share user input across screens
Design systems with tokens, components, and master screens
Drop-off analysis
Heatmaps of user clicks
Image import (.webp, .jpg, .psd) or download from Figma
Interactive, fully functional UI widgets
Links & QR codes for mobile device testing
Real-time collaboration
Rich component palette (Wireframe, Survey, iOS, Android)
Smart tools: grid resizing, smart cloning, repeater grids
User task tracking during tests
Visual designer canvas for creating screens and interactions

At a glance

free tieropen source

TypeWeb app

DeploymentCloud

PlatformsWeb

Fordesigners, researchers, students, UX/UI teams

Integrations

Figma

Resources

Docs

Pricing

Quant-UX is entirely free and open source; no paid plans are listed.

FreeFree

Quant-UX is open source; this is the only plan offered.