Head-to-head · Card Sorting Software
Free Card Sort vs Proven by Users Card Sort
Free Card Sort leads on 0 checks, Proven by Users Card Sort on 0, and 5 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreFree Card Sort · 7.9/10
- Free planboth
Free Card Sort scores higher on our rubric for card sorting software: 7.9 against 7.5 out of 10; our editors rank them #3 and #7.
Free Card Sort is the better fit for budget-conscious UX researchers needing full sort analysis. Proven by Users Card Sort is the better fit for researchers needing nested categories and detailed views.
- Free Card Sort fits best
Budget-conscious UX researchers needing full sort analysis
- Proven by Users Card Sort fits best
Researchers needing nested categories and detailed views
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Side by side
| Feature | Free Card Sort 7.9/10 Visit ↗ | Proven by Users Card Sort 7.5/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 7.9 | 7.5 |
| Ranking | #3 in Card Sorting Software | #7 in Card Sorting Software |
| Best for | Budget-conscious UX researchers needing full sort analysis | Researchers needing nested categories and detailed views |
| Pricing model | Free plan + paid | Free plan + paid |
| Starting price | — | — |
| Free plan | ✓ | ✓ |
| Free trial | — | — |
| Deployment | Cloud, Browser extension | Cloud |
| Platforms | Web | Web |
| Support | Email · 24/7 | Email, Docs |
| Built for | Solo, Small business, Mid-market | Solo, Small business, Mid-market |
| Features Free Card Sort 4/4 · Proven by Users Card Sort 4/4 | ||
| Open card sorts | ✓ | ✓ |
| Closed card sorts | ✓ | ✓ |
| Hybrid card sorts | ✓ | ✓ |
| Remote participant mode | ✓ | ✓ |
| Specs | ||
| Participant limit | Not checked yet | Not checked yet |
| Card limit | Not checked yet | Not checked yet |
| Analysis features | Advanced | Advanced |
| Our review | ||
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| Our verdict | Free Card Sort is ValidateThat’s web-based card-sorting product for UX researchers, designers, product managers, content strategists, and students. It supports open, closed, and hybrid studies that participants can complete from a shared… Read the review → |
Proven by Users Card Sort is a browser-based tool for remote, unmoderated card-sorting research. It suits solo, small-team, and mid-market researchers who need to study information architecture with open, closed, or hybrid methods.… Read the review → |
Strengths and trade-offs
Free Card Sort — where it wins
- Open, closed, and hybrid card sorts with shareable study links
- Free studies allow unlimited responses from your own link
- Similarity matrices, dendrograms, AI insights, and CSV exports
Where it doesn't
- Free analytics cover only the first 3 respondents
- Pro recruitment is limited to 10 recruited responses per month
- Support is provided through email, despite 24/7 availability
Proven by Users Card Sort — where it wins
- Supports open, closed, and hybrid card-sorting studies
- Nested categories, subgroups, images, and card duplication
- Similarity, dendrogram, agreement views, and CSV export
Where it doesn't
- Free projects allow 10 responses per project
- Runs through the web rather than native desktop or mobile apps
- Support is limited to email and documentation
- Free Card Sort7.9/10 · Free plan
A focused card-sorting workspace with generous free response collection and deeper paid analysis.
Visit Free Card SortFull verdict → - Proven by Users Card Sort7.5/10 · Free plan
A flexible card-sorting workspace with strong analysis and a response cap on free projects.
Visit siteFull verdict →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update