Inject animation effects into your creativity and design better apps

It is easy to design animations and interactive user interfaces. Whether you are designing a multi screen application process or designing new interactions and animations, Principle can help you create designs that look and feel great.

Born specifically for the greatest imagination

You may want to design many things: a short animation, smooth interaction, or a wide range of multi screen applications. No matter what you are doing, you can do it with principles.

• animation

The timeline of the Principle can quickly illustrate perfect bouncing, ease, and popping.

• interaction

Do you want to design a brand new interaction? Principles provide you with the freedom to experiment without limiting you to predefined transformations.

• Multiple screens

The process of designing multi screen applications is effortless; After completion, you will have a bird's-eye view of all screens.

Brand new, but immediately familiar

With a drawing board, magic animation, and timeline, using Principle will make you feel familiar.

Continue from where you left

Import your designs from Figma or Sketch to inject new vitality into them. If you make changes, importing again will intelligently merge your work.

Designed for mobile, web, and desktop

Choose a device preset or input a custom drawing board size to design for your favorite platform. Hover events and mouse scroll make it easy to create web and desktop prototypes that feel like real things.

Share your design

Just click to share your design on the web for viewing on Windows, Linux, macOS, Android, and iOS. Friends can interact with your design directly in their browser without installing anything.

Specially designed for macOS

Principle is supported by Core Animation, a hardware accelerated animation engine built on iOS and macOS. It also includes your favorite Mac features: full screen mode, Retina interface, and automatic storage, making you feel at home.