Card sorting for modern product teams
Understand how your users think. Validate your information architecture with open, closed, and hybrid card sorting studies. Free for everyone.
Everything you need
Powerful features for serious researchers
Populux gives you the tools to uncover deep insights about your users' mental models.
Open Sorting
Discover how your users naturally categorize information. Let them create their own categories.
Closed Sorting
Validate your existing IA. ask users to sort items into predefined categories.
Hybrid Sorting
The best of both. Predefine some categories but allow users to create new ones.
Instant Analytics
Get immediate insights with similarity matrices and dendrograms.
from chaos to clarity in minutes
Create your study
Define your cards and categories manually or import them from a CSV file.
Share the link
Send a unique link to your participants. No login required for them.
Analyze results
Watch results roll in real-time. Visualize grouping patterns instantly.
FAQ
Frequently asked questions
- Is it really free?
- Yes. Populux is currently in beta and completely free to use for unlimited studies and participants.
- Do participants need to sign up?
- No. Participants can complete your card sorting study completely anonymously via a shareable link.
- Can I export my data?
- Absolutely. You can export all raw participant data and analysis results as CSV files at any time.
- How many cards can I add?
- We recommend between 30-50 cards for the best participant experience, but the system supports up to 100 cards.
Ready to improve your IA?
Start your first study today.
No credit card required. No hidden limits. Just better design decisions.