G*Power vs SPM
| G*Power | SPM | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | |
| Paid from | Free | Free |
| Platforms | Windows, macOS | Linux, macOS, Windows |
| Free plan | Yes | Yes |
| Deployment | both | desktop |
| Statistical tests | Yes | Yes |
| Regression models | Yes | Yes |
| Scripting support | Yes | Yes |
| Bayesian analysis | Yes | |
| Data import formats | NIfTI (.nii), Analyze (.hdr/.img), DICOM (converted to NIfTI), OPM binary/TSV/JSON, FIF and LVM |
Listed together in Best Statistical Analysis Software