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OpenCap vs VSeeFace

Both stand on motion capture software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

OpenCap

Free plan iPhoneWeb

Choose OpenCap for academic or nonprofit non-commercial movement analysis when its iOS capture and cloud workflow fit. Commercial entities should look elsewhere unless the authors authorize a route to use it; teams with video privacy constraints should also weigh development-team access.

Visit OpenCap

VSeeFace

Free plan LinuxWindows

VSeeFace offers a free route to webcam-driven 3D avatar puppeteering, with multiple tracking inputs and capture options. Check its format and platform limits first, especially if you need Live2D, VRM 1.0, chroma keying or reliable Wine rendering.

Visit VSeeFace

The facts

OpenCapVSeeFace
Free planYesYes
Open sourceNot publishedNot published
Runs oniPhone, WebLinux, Windows
Lowest paid planFree or on requestFree or on request
Plans published11
MakerNot publishedNot published
Websiteopencap.aivseeface.icu
On motion capture software#15 of 63#19 of 63

OpenCap: what it does well

  • Provides joint angles, moments, and muscle forces.
  • Supports multi-camera and beta single-iPhone capture.
  • Monocular recording requires no calibration step.
  • Exports JSON, TRC, and MOT.
  • Maker reports validation against marker-based systems.

What to know first

  • Commercial entities may not use the service, including for research.
  • Recording requires iOS devices; Android is not supported.
  • Videos are processed on cloud servers.
  • The development team can view submitted videos and data.

VSeeFace: what it does well

  • Free plan for 64-bit Windows 8 and above.
  • Webcam tracking covers eyes, brows and mouth movement.
  • Supports VRM 0 and VSFAvatar models.
  • Can combine tracking through the VMC protocol.
  • Provides transparent capture through OBS, Spout2 and virtual camera.

What to know first

  • Does not support VRM 1.0 or Live2D models.
  • Optional hand tracking requires a Leap Motion device.
  • Does not support chroma keying.
  • Mac models do not render properly through Wine.

Alternatives to OpenCap Alternatives to VSeeFace The whole list