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Principle

Paid

Design and animate interactive UI prototypes directly on macOS.

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4.6 Editor Rating
Vetted Score
4.6 / 5.0

Earns a strong score for its intuitive UI, powerful animation tools, and seamless macOS integration, though limited to a single platform.

Key Features
Interactive Prototyping

Create clickable, high-fidelity prototypes with drag‑and‑drop components and real‑time preview.

Advanced Animation

Add timeline‑based animations, easing curves, and motion paths to simulate app behavior.

Design Collaboration

Export prototypes as videos or interactive files for sharing with stakeholders and developers.

Frequently Asked Questions

No, Principle is sold as a one-time purchase with a perpetual license; a free trial is available.

Principle is currently macOS‑only; there is no native Windows or Linux version.

You can export prototypes as video files, animated GIFs, or interactive HTML files for easy stakeholder review.