When comparing AnyPortrait vs Anima2D, the Slant community recommends Anima2D for most people. In the question“What are the best 2D skeletal animation tools?” Anima2D is ranked 4th while AnyPortrait is ranked 10th. The most important reason people chose Anima2D is:
Everything you could want from a skeletal animation system, free and because purchased by unity promises to be native in future.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Free Form Deformation
Deform the mesh for animation without setting up skeletal rig.
Pro Built for Unity
Built directly for Unity no need to work in a separate animation software.
Pro Purchased by unity
Everything you could want from a skeletal animation system, free and because purchased by unity promises to be native in future.
Pro Free
Pro Spring bones
Much like spring joints native to unity, you can set bones to have dynamic spring animations based on their parents.
Cons
Con No longer supported by Unity.
This has been merged into the 2D Animation package.
Con Uses the Unity hierarchy
It's impossible to rename your asset after making your animation, otherwise you lose dependencies.