Chiasm vs Pupil Player
| Chiasm | Pupil Player | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | Web | Windows, macOS, Linux |
| Free plan | No | — |
| Input method | webcam | hardware |
| Study mode | remote | — |
| Export formats | download from Chiasm; stream to own server | MP4, CSV, NumPy, PNG, GAZE.TLV |
| Supported platforms | Google Chrome; laptops; desktops with a webcam | Windows, macOS, Linux |
| Gaze visualizations | — | circles, crosses, polylines, light points, heatmaps, fixation overlays |
Both are listed in Best Eye Tracking Software. On The Geeks Club, Pupil Player scores higher on our published basis.