What are the key differences between Principle and Preview?

Compare Principle and Preview side by side on Lunoo to see detailed feature differences, AI scores, and expert analysis.

How are Principle and Preview scored?

Principle has an AI score of 5.3/10 and Preview has an AI score of 9.0/10. Scores are based on features, user satisfaction, and overall quality analysis.

Principle vs Preview 2026 — Compared

Principle

Preview

WINNER Preview

Preview edges ahead with a score of 9.0/10 compared to 5.3/10 for Principle. While both are highly rated in their respec...

Principle

5.3 Average

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emoji_events WINNER

Preview

9.0 Excellent

SAAS

Principle Pricing not available

payments

Preview Free plan available

psychology AI Verdict

Preview edges ahead with a score of 9.0/10 compared to 5.3/10 for Principle. While both are highly rated in their respective fields, Preview demonstrates a slight advantage in our AI ranking criteria. A detailed AI-powered analysis is being prepared for this comparison.

emoji_events Winner: Preview

verified Confidence: Low

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description Overview

Principle

Principle is a macOS-native tool that specializes in creating complex animations and micro-interactions for mobile and web apps. It is incredibly fast and intuitive, allowing designers to create high-fidelity, interactive prototypes in minutes. Principle is best used as a companion to Sketch or Figma, where you can design your screens and then import them into Principle to add life and motion. Whi...

Preview

Preview is the default PDF viewer on macOS, and for many users, it is all they will ever need. It is surprisingly capable, offering basic annotation tools like highlighting, text boxes, and shapes, as well as the ability to merge, split, and reorder pages. Because it is built into the OS, it is incredibly fast and requires no installation. While it lacks the advanced features of dedicated software...