CardSort
Free
Card Sorting • Tree Testing • Surveys — Free to Start

Design Information Architecture That Converts

Run studies, recruit participants, and analyze results — all in one platform. The complete toolkit to build information architecture with confidence.

Live Card Sorting Demo

Cards to Sort

Dresses
Watches
Sneakers
T-Shirts
Sunglasses
Boots

Clothing & Apparel

Accessories

Shoes & Footwear

Watch how participants intuitively sort cards in real-time

Gamified AI Powered Card Sorting for UX - Design information architecture with confidence. | Product Hunt
No sign-up required to participate
Setup in under 5 minutes
AI-powered test responses

Everything You Need to Build IA That Works

Card sorting to discover mental models. Tree testing to validate navigation. Surveys to gather deeper insights. One platform for the complete IA research workflow.

Built by UX Researchers, for UX Researchers

Participants Stay Engaged

Gamified experience with achievements and celebrations → higher response rates and better data quality.

Professional Results Every Time

Beautiful design with color-coded categories and smooth animations → participants take your study seriously.

Share to Unlock Pro Features

Share your study on LinkedIn to unlock CSV exports for 24 hours. Your studies spread organically while you get premium analytics free.

Spot Patterns in Minutes

Automatic clustering with similarity matrices and dendrograms → instant insights instead of hours of manual analysis.

From Idea to Insights in Minutes

Templates and bulk import → skip the tedious setup and get to the research that matters.

Built-in Participant Recruitment

Share your link anywhere or recruit quality participants through Prolific — get responses from the right audience without leaving the platform.

Share to Unlock Pro Features

Share your study on LinkedIn and unlock CSV export free for 24 hours

Pro Feature

Get Responses Fast

Test your study with AI-generated responses or recruit real participants from our global database. Two powerful ways to get the data you need.

AI-Powered

AI Test Responses

Generate realistic sorting patterns instantly for testing, demos, and validation.

Persona-driven responses

AI generates patterns based on your target user profile

Test before you launch

Validate your study design before recruiting

Demo-ready results

Show stakeholders what results will look like

Clearly marked & filterable

AI data is transparent and easy to exclude

Example output
AI
20
Responses
Instant
Generation
Real Participants

Prolific Recruitment

Recruit quality participants from a global panel of verified users — built right in.

Verified participants

Access Prolific's panel of quality research participants

Demographic targeting

Filter by location, age, and other criteria

Fast recruitment

Get responses in hours, not days

Pay per response

Only pay for participants you need

Example recruitment
Global
30
Participants
~$1.50
Per response

Pro includes unlimited AI responses • Prolific recruitment from ~$1.50/response

Get Results in 3 Simple Steps

From setup to insights in under 10 minutes. No training required.

01

Create Your Study

Paste your cards or start with a template. Choose from templates or start fresh. Add your cards, set categories, and customize the experience.

02

Recruit & Share

Share your link anywhere or recruit quality participants through Prolific. Get responses from your network or a global panel — it's built right in.

03

Analyze & Export

Watch patterns emerge automatically. Get instant insights with visual analytics. Export data to CSV or integrate with your favorite tools.

Built for Business Impact

From e-commerce to SaaS platforms, see how teams use IA research to drive measurable results

Trusted by UX teams, agencies, and business leaders worldwide

E-commerce & Retail

↑ 23% conversion rates

Help shoppers find products faster. Reduce cart abandonment and boost conversion rates with intuitive navigation.

SaaS & Tech Products

↓ 40% support tickets

Simplify complex navigation and boost user adoption. Reduce churn by making your product easier to navigate.

UX Agencies

↑ 3x faster delivery

Deliver faster IA validation to clients. Win more projects by showing data-driven navigation improvements.

Healthcare & Medical

↓ 35% patient inquiries

Organize patient portals and medical information intuitively. Help patients find critical health resources quickly.

Education & E-learning

↑ 28% course completion

Structure courses and learning materials logically. Improve student engagement with intuitive content organization.

Content & Media

↑ 31% engagement

Build content taxonomies that match reader expectations. Reduce bounce rates with better article categorization.

Case Study: Fashion E-commerce Category Redesign

Mid-market DTC fashion brand, 500K+ monthly visitors, 12,000+ SKUs

"We assumed customers would browse by clothing type — pants, shirts, jackets. But our card sort revealed that 73% of users organized by occasion: 'Work Outfits,' 'Weekend Casual,' 'Date Night.' We restructured our entire nav in a week."

— Director of Digital Experience, DTC Fashion Brand

22%
Fewer "where is..." tickets
18%
Higher product page conversion
Before vs After
Cart abandonment
72%58%
Time to product
4.1min1.9min

Free Guide: How to Increase Product Adoption by 47%

Learn the proven card sorting methodology that helped product teams boost user navigation success and feature discovery.

Ready to Create BetterUser Experiences?

Run your first study now — it takes less than 5 minutes.

✨ Card sorting, tree testing & surveys — free to start • 🚀 Advanced analytics on Pro • ⚡ Setup in 60 seconds