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Head-to-head · UI Design Tools

Lunacy vs Justinmind

  • Updated Oct 2026
  • Both researched from official sources
  • 9 checks side by side
Higher score Lunacy #4 in UI Design Tools 9.0/10 Free plan Free plan✓ 2 of 7 features Visit Lunacy
Justinmind #8 in UI Design Tools 8.6/10 Free plan · 10-day trial Free planFree trial✓ 7 of 7 features Visit Justinmind

Lunacy leads on 1 check, Justinmind on 0, and 8 are even. Who comes out ahead on the 9 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreLunacy · 9.0/10
  • Lowest starting priceLunacy · $4.99/mo
  • Free planboth
  • Free trialonly Justinmind
  • Most featuresJustinmind · 7 of 7

Lunacy scores higher on our rubric for ui design tools: 9.0 against 8.6 out of 10; our editors rank them #4 and #8.

Lunacy is cheaper to start at $4.99/user/mo against $19/user/mo.

Lunacy is the better fit for low-cost cross-platform UI designers. Justinmind is the better fit for teams needing logic-rich prototypes.

  • Lunacy fits best

    Low-cost cross-platform UI designers

  • Justinmind fits best

    Teams needing logic-rich prototypes

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Lunacy 9.0/10 Visit ↗ Justinmind 8.6/10 Visit ↗
At a glance
Editor score 9.0 8.6
Ranking #4 in UI Design Tools #8 in UI Design Tools
Best for Low-cost cross-platform UI designers Teams needing logic-rich prototypes
Pricing model Free plan + paid Free plan + paid
Starting price $4.99/mo (best) $19/user/mo
Free plan ✓ ✓
Free trial — 10 days
Deployment Cloud, Self-hosted, Desktop Cloud, Self-hosted, Desktop, Mobile
Platforms Web, Windows, macOS, Linux Web, Windows, macOS, iOS, Android
Support Community, Docs Email, Tickets, Community, Docs
Integrations 6 integrations 6 integrations
Built for Solo, Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Lunacy 2/7 · Justinmind 7/7
Real-time collaboration ✓ ✓
Interactive prototyping Not checked yet ✓ (best)
Design systems Not checked yet ✓ (best)
Developer handoff Not checked yet ✓ (best)
Variables or design tokens Not checked yet ✓ (best)
Desktop app ✓ ✓
Prototype sharing Not checked yet ✓ (best)
Our review
Pros
  • Free core app with local and cloud documents
  • Auto layout, components, variables, and interactive prototyping
  • Windows, macOS, Linux, web, and offline work modes
  • Conditional logic, forms, variables, and data simulation
  • Responsive design, reusable UI libraries, and design systems
  • Developer handoff, prototype sharing, and simultaneous co-editing
Cons
  • Advanced cloud and team features require paid plans
  • Graphics subscription is separate from core design features
  • Some collaboration features depend on cloud documents
  • The Free plan is limited to 1 project
  • Advanced features begin with the $19 Standard plan
  • HTML export is included in the $29 Professional plan
Our verdict

Lunacy is a vector design application for UI/UX and web projects, aimed at individual designers and teams that need a cross-platform workspace. It runs on Windows, macOS, Linux, and the web, and supports local or cloud documents with…

Read the review →

Justinmind is a UI and UX design tool for creating wireframes, visual designs, interactive prototypes, and functional simulations for web and mobile applications. It suits product, UX, and design teams that need more than static screens,…

Read the review →
  1. LunacyUI Design Tools 9.0Free plan
  2. JustinmindUI Design Tools 8.6Free plan · 10-day trial

Strengths and trade-offs

  • Lunacy — where it wins

    • Free core app with local and cloud documents
    • Auto layout, components, variables, and interactive prototyping
    • Windows, macOS, Linux, web, and offline work modes

    Where it doesn't

    • Advanced cloud and team features require paid plans
    • Graphics subscription is separate from core design features
    • Some collaboration features depend on cloud documents

  • Justinmind — where it wins

    • Conditional logic, forms, variables, and data simulation
    • Responsive design, reusable UI libraries, and design systems
    • Developer handoff, prototype sharing, and simultaneous co-editing

    Where it doesn't

    • The Free plan is limited to 1 project
    • Advanced features begin with the $19 Standard plan
    • HTML export is included in the $29 Professional plan

More comparisons

All UI design tools comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update