PyGaze vs Retra
| PyGaze | Retra | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | Linux, macOS, Windows | Android |
| Free plan | Yes | Yes |
| Input method | hybrid | — |
| Study mode | live | — |
| Supported platforms | Windows, Linux, macOS | — |
Both are listed in Best Eye Tracking Software. On Samsung Mobile US Press, Retra scores higher on our published basis.