Comparison

Lunacy vs Principle

No leader: the top candidate Lunacy has only 0.25 confidence (low), below the 0.35 needed to declare a winner. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Lunacy46
Principle46
Score
Vioscale score
Lunacy46 / 100low · 25%
Principle46 / 100low · 37%
Pricing
Free tier
Lunacy
Principle
Model
Principlecommercial
Price level
Lunacyunknown
Principlehigh
Starting price
Lunacy
Principle$129
Transparent
Lunacy
Principle
Integrations
Count
Lunacy2
Principle2
Security
Gdpr
Lunacy
Principle

Capabilities

Feature-by-feature on the axes that matter for mockup tools. “-” means undocumented, not absent.

Capabilities
Architecture model
LunacyLocal mac native app
PrincipleLocal mac native app
Css flexbox based auto layout engine
Lunacy-
Principle-
Stateful interactive prototyping with variables and logic
Lunacy
Principle
Component variants and property overrides
Lunacy-
Principle-
Design token variable mapping colors spacing typography
Lunacy-
Principle-
Real time multiplayer crdt cursor sync
Lunacy
Principle-
Developer mode handoff environment css swift export
Lunacy-
Principle-
Advanced micro interaction animation smart animate
Lunacy-
Principle
Third party plugin ecosystem API
Lunacy-
Principle-
Offline editing mode with conflict resolution
Lunacy
Principle-
SOC2 type ii
Lunacy-
Principle-
Gpl or permissive oss license
Lunacy
Principle-
Pricing model
LunacyPer editor seat monthly
PrincipleFlat lifetime license

What each one is

The product in its own terms, so the numbers below have context.

Lunacy

Lunacy is a desktop design tool for Windows, macOS, and Linux that combines professional design features with team collaboration. It includes auto-layout for responsive designs, interactive prototyping, component systems, real-time synchronization with team members, and full offline editing without requiring internet connectivity.

Independently observed

Principle

A native macOS application for designing animated and interactive user interfaces across web, mobile, and desktop platforms, featuring keyframe-based animation controls and automatic transitions between artboards.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Lunacy

Subscription

From $9/month when billed annually, or $12/month on a monthly subscription

as of verify ↗

Principle

from $129Perpetual licence

$129 per computer. Renewal available for $99 to access new features released after initial purchase.

  • Principle License$129 per computer, perpetual license
    • Timeline animation with keyframes and easing customization
    • Multi-artboard screen flow design
    • Automatic animations between named layers on different artboards
    • Hover and mouse wheel event support
    • Import from Figma and Sketch with intelligent merging
    • +3 more
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
macOS
Lunacy
Principle
Windows
Lunacy
Principle
Linux
Lunacy
Principle
Deployment
Cloud / SaaS
Lunacy
Principle

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

In common (2)
  • Figma
  • Sketch

Lunacy

2 total - 0 not shared
  • Figma
  • Sketch
Independently observed

Principle

2 total - 0 not shared
  • Figma
  • Sketch
Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.