| Feature | AccuFACE 2 | AccuFACE 1 | iPhone Mocap (LIVE FACE) |
|---|---|---|---|
| Tracking Technology | AI video-based facial tracking (next generation) | AI video-based facial tracking | Apple TrueDepth (ARKit) depth sensing |
| Hardware | Standard webcam or head-mounted camera | Standard webcam or head-mounted camera | iPhone/iPad with TrueDepth (Face ID) camera |
| Additional Device Required | No | No | Yes (iPhone) |
| Depth Sensor | No | No | Yes |
| Facial Detail | Highest (improved expression fidelity and stability) | Good | Excellent, especially subtle facial muscles |
| Lip Sync | Improved accuracy | Good | Very accurate |
| Eye Tracking | Improved | Good | Excellent |
| Eyebrow Independence | Enhanced | Supported | Limited by ARKit blendshapes |
| Head Rotation | Yes | Yes | Yes |
| Lighting Requirement | Moderate | Moderate–High | Low (TrueDepth works well in various lighting) |
| Glasses Support | Yes | Yes | Yes |
| Real-time Capture | Yes | Yes | Yes |
| Offline Video Processing | Yes | Yes | Limited (primarily designed for live streaming) |
| GPU Requirement | RTX GPU (AI inference) | RTX GPU | No RTX requirement (processing handled by iPhone) |
| Cost | Software license only | Software license only | Requires compatible iPhone |
AccuFACE 2 does not require facial calibration in the same way as AccuFACE 1. However, you can use Grab Neutral in Motion LIVE to set neutral position, which may help improve the tracking results. See here:
https://manual.reallusion.com/Motion_LIVE_Plugin/Content/Motion_LIVE/2.0/Grabbing-Neutral-Pose.htm
Summary
- AccuFACE 2
- Best overall webcam-based solution.
- Improved tracking quality, stability, and expression accuracy over AccuFACE 1.
- Ideal if you don’t own an iPhone or prefer a lightweight head-mounted camera setup.
- AccuFACE 1
- Solid AI facial mocap using a regular camera.
- More affordable than buying an iPhone if you already have an RTX GPU.
- Produces good-quality results but is less accurate than the latest generation.
- iPhone Mocap (LIVE FACE)
- Uses Apple’s TrueDepth camera and ARKit’s 52 blendshapes plus tongue tracking.
- Generally offers the most accurate raw facial capture, especially for subtle expressions and eye movement.
- Requires a compatible Face ID iPhone but is less sensitive to lighting conditions.
Recommended use cases
- Highest quality with existing iPhone: iPhone LIVE FACE
- Best webcam-only workflow: AccuFACE 2
- Budget webcam solution: AccuFACE 1

