
Principle for Mac 4.0
Animate your ideas, design better apps
Principle for Mac 4.0 launched on August 29, 2018 with 228 votes, #70 of 2,619 launches that month and more than 95% of that year's launches. The site was still online in September 2026, 8 years on.
What it does
Principle for Mac 4.0 makes it easy to design animated and interactive user interfaces. Whether you're designing the flow of a multi-screen app, or new interactions and animations, Principle helps you create designs that look and feel amazing.
Now video time can be controlled by a driver! In the prototype above, the video layer's time is controlled by scroll offset. Principle 4 gives you much more control over video layers. Videos can now be set to paused, their time and volume can be manually set, and all these values can be frozen in transitions. Audio layers also benefit from all these features! Basically everyone has asked for this, and now it's here. Hold shift while interacting with the preview and all animations will run in slow motion. Whether you're demoing an animation to others, or perfecting a transition, it can be very helpful to see an animation frame-by-frame. Now in Principle 4 you can hover over the animation…from principleformac.com
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Principle 2.02016 · principleformac.com · ▲199Animate your ideas, design better apps, now with components

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