Principle
UnclaimedDesign tool for creating animated and interactive UI prototypes on Mac
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TL;DR - Principle
- Principle is a Mac app for designing animated and interactive user interfaces
- It creates prototypes with timeline-based animations and interactions
- Subscription at $5/month or one-time purchase at $129
Pricing: Paid only
Best for: Enterprises & pros
Score: 80/100
Pros & Cons
Pros
- Great for animations
- Easy timeline editor
- Native Mac performance
Cons
- Mac only
- No collaboration
Key Features
UI animationPrototypingTransitionsTimelinemacOS nativeSketch import
Pricing Plans
14-day Free TrialLicense
$129/one-time
- Per computer license
- 1 year of updates
- macOS native
- Figma/Sketch integration
About Principle
By Toolradar Team·
Principle is a native macOS application that enables designers to create animated and interactive user interfaces. The tool features a timeline-based animation system for creating polished motion effects, multi-screen workflow design, and custom interaction prototyping without pre-defined limitations. Principle imports directly from Figma and Sketch with intelligent merging for design updates. It supports device presets for mobile, web, and desktop, including hover events and mouse wheel scrolling. Export options include one-click web sharing (viewable on any device), video, and animated GIFs. Used by design teams at Apple, Google, Amazon, Netflix, and Microsoft. Available for Intel and Apple Silicon Macs with full-screen mode, Retina support, and auto-save.
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Principle FAQ
What is Principle?
Principle is a design tool for macOS that makes it easy to create animated and interactive user interface designs. It is particularly popular for prototyping mobile apps and creating micro-interactions.
How much does Principle cost?
Principle costs $129 as a one-time purchase. This includes a perpetual license for the macOS app. Multi-seat licenses are available for teams.
Is Principle only for Mac?
Yes, Principle is a native macOS application and is not available for Windows or Linux. It supports both Intel and Apple Silicon Macs.
Does Principle have a free trial?
Yes, Principle offers a free trial so you can test the app before purchasing. The trial includes all features of the full version.
What are alternatives to Principle?
Alternatives include Figma (with prototyping features), Framer, ProtoPie, and Adobe XD. Principle is known for its simplicity and focus on animation, making it popular for micro-interaction design.
Source: principleformac.com