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Head-to-head · Design System Software

Supernova vs Particles UI

  • Updated Oct 2026
  • Both researched from official sources
  • 8 checks side by side
Higher score Supernova #2 in Design System Software 8.8/10 Free plan Free plan✓ 0 of 6 features Visit Supernova
Particles UI #6 in Design System Software 7.5/10 Free plan · 14-day trial Free planFree trial✓ 6 of 6 features Visit Particles UI

Supernova leads on 0 checks, Particles UI on 1, and 7 are even. Who comes out ahead on the 8 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreSupernova · 8.8/10
  • Lowest starting priceParticles UI · $19/seat/mo
  • Free planboth
  • Free trialonly Particles UI
  • Most featuresParticles UI · 6 of 6

Supernova scores higher on our rubric for design system software: 8.8 against 7.5 out of 10; our editors rank them #2 and #6.

Particles UI is cheaper to start at $19/user/mo against $35/user/mo.

Supernova is the better fit for teams building documented, production-ready systems. Particles UI is the better fit for teams needing governed token delivery.

  • Supernova fits best

    Teams building documented, production-ready systems

  • Particles UI fits best

    Teams needing governed token delivery

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 Supernova 8.8/10 Visit ↗ Particles UI 7.5/10 Visit ↗
At a glance
Editor score 8.8 7.5
Ranking #2 in Design System Software #6 in Design System Software
Best for Teams building documented, production-ready systems Teams needing governed token delivery
Pricing model Free plan + paid Free plan + paid
Starting price $35/user/mo $19/seat/mo (best)
Free plan ✓ ✓
Free trial — 14 days
Deployment Cloud Cloud
Platforms Web Web
Support Live chat, Community, Docs Email, Docs
Compliance SOC 2, GDPR, SSO/SAML 2FA
Integrations 11 integrations 5 integrations
Built for Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Supernova 0/6 · Particles UI 6/6
Token management Not checked yet ✓ (best)
Component documentation Not checked yet ✓ (best)
Design tool sync Not checked yet ✓ (best)
Code sync Not checked yet ✓ (best)
Governance workflows Not checked yet ✓ (best)
Versioning Not checked yet ✓ (best)
Specs
Hosting Not checked yet Cloud
Our review
Pros
  • Connects Figma, Storybook, Git providers, and developer tools
  • Combines tokens, components, assets, documentation, and code snippets
  • Supports pipelines, SDK access, and versioned design system snapshots
  • Syncs design tokens between Figma and codebases
  • Adds reviews, visual diffs, WCAG gates, and immutable releases
  • Exports to Tailwind, CSS, SCSS, DTCG, JSON, TypeScript, and JavaScript
Cons
  • Automatic data source updates are listed only on Pro
  • Custom documentation domains require the Pro plan
  • SAML SSO and approval workflows are reserved for Enterprise
  • Free plan is limited to one project and the main branch
  • Advanced governance features start on the Team plan at $29 per editor monthly
  • Business features require $79 per editor monthly
Our verdict

Supernova is a cloud platform for product teams managing design systems and developer documentation. It brings together design tokens, themes, components, assets, documentation, code snippets, and delivery workflows. Teams can import…

Read the review →

Particles UI is a hosted design-system platform for teams managing design tokens across Figma and codebases. It centralizes tokens and supports branches, review requests, visual diffs, impact analysis, WCAG contrast release gates,…

Read the review →
  1. SupernovaDesign System Software 8.8Free plan
  2. Particles UIDesign System Software 7.5Free plan · 14-day trial

Strengths and trade-offs

  • Supernova — where it wins

    • Connects Figma, Storybook, Git providers, and developer tools
    • Combines tokens, components, assets, documentation, and code snippets
    • Supports pipelines, SDK access, and versioned design system snapshots

    Where it doesn't

    • Automatic data source updates are listed only on Pro
    • Custom documentation domains require the Pro plan
    • SAML SSO and approval workflows are reserved for Enterprise

  • Particles UI — where it wins

    • Syncs design tokens between Figma and codebases
    • Adds reviews, visual diffs, WCAG gates, and immutable releases
    • Exports to Tailwind, CSS, SCSS, DTCG, JSON, TypeScript, and JavaScript

    Where it doesn't

    • Free plan is limited to one project and the main branch
    • Advanced governance features start on the Team plan at $29 per editor monthly
    • Business features require $79 per editor monthly

More comparisons

All design system software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update