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
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
Integrations
Resources
Pricing
Quant-UX is entirely free and open source; no paid plans are listed.
Quant-UX is open source; this is the only plan offered.