When comparing Animation Desk vs Principle, the Slant community recommends Principle for most people. In the question“What are the best tools for prototyping mobile interactions/animations?” Principle is ranked 11th while Animation Desk is ranked 20th. The most important reason people chose Principle is:
You can find videos for the Principle app course [here](https://www.youtube.com/playlist?list=PLWlUJU11tp4deQOnSFNn_ekpS9GA5_7yP).
Ranked in these QuestionsQuestion Ranking
Pro Quick sketch
Great for light sketches, and some drafting for your animation.
Pro Free to use
Some features may require purchases but the app free as is, and works fine.
Pro Works on different platforms
It supports almost every major platforms, so working on iOS, Android, and Windows devices is not a problem.
Pro Photoshop compatible
Supports PSD file import/export, can export your draft to Photoshop easily for further works.
Pro Comprehensive help & examples
You can find videos for the Principle app course here.
Pro Simple Sketch import
Import Sketch layers easily to animate your designs.
Pro Build iOS transitions & animations easily
All the iOS easing info is built-in.
Con iOS free cloud version has no sound options
Con Android version is not as extensive as the iOS version
Some of the options that are present in the iOS version of Animation Desk Cloud aren't integrated in the Android application. For example, features such frame labeling isn't available.
Con Doesn't include any mobile prototyping specific features
Con Mac only
Sadly iOS centric.