| iWitness | iWitnessPRO | |
|---|---|---|
| Semi-automatic & operator-assisted 3D point determination | Yes | Yes |
| Automatic camera calibration | Yes | Yes |
| Targetless photo network orientation | Yes¹ | Yes |
| Dense Surface Modeling, LAS & PLY export | Yes² | Yes |
| Supports local & GPS coordinate systems for UAV/drone image processing | Yes | Yes |
| Point 'Strengthening Mode' | Yes | Yes |
| Create ortho-image mosaics | Yes | Yes |
| Camera calibration using passive black/white coded targets | Yes | Yes |
| Camera calibration using red retro-reflective coded targets | Yes³ | Yes |
| Predictive GCP-Assist referencing mode | No | Yes |
| Run controlled bundle adjustments | No | Yes |
| Signalized Target Measurement using red retro-reflective coded targets (R++) | No | Yes |
| Import video | No | Yes |
| Code offset database | No | Yes |
¹ Limit of 40 images in iWitness (unlimited in iWitnessPRO)
² Limit of 40 images in iWitness (unlimited in iWitnessPRO)
³ iWitness supports red retro-reflective coded targets 1-48; iWitnessPRO supports red retro-reflective coded targets 1-981.