Affinity Publisher vs Principle

Affinity Publisher is a desktop publishing application developed by Serif (now owned by Canva) for page layout and print design. Originally sold as a one-time purchase alternative to Adobe InDesign, Affinity became completely free in 2025 following Canva's acquisition of Serif. The application supports master pages, advanced typography, data merge, and press-ready PDF/X export.

Principle is macos app for designing animated and interactive user interface prototypes with a timeline-based animation editor.. It is available under a paid model. This tool falls under the design category.