| o3n Simple Humanoid IK | AnyIK 2 | AnyIK 3 | |
| Supports Humanoid Animator | Yes | Yes | Yes |
| Supports Non-Humanoid Animator | No | Yes | No * |
| Uses Unity IK | Yes | No | No ** |
| Uses Muscle Limited CCD | No | Yes | Yes ** |
| Foot IK | Yes | Yes | Yes |
| High Heels Simulation | No | Yes | Yes |
| Look IK | Yes | Yes | |
| IK Chains / Generic IK | Yes | Yes | |
| Easy Setup | No | Yes | |
| Will be deprecated | Yes *** |
* Support for non-humanoid IK is planned.
** Except Look IK which uses Unity Ik.
*** AnyIK 2 will be deprecated after AnyIK 3 supports non-humanoid animators.
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