TrueRTA vs Voxengo SPAN
| TrueRTA | Voxengo SPAN | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | No |
| Paid from | Free | Free |
| Open source | No | No |
| Platforms | Windows | macOS, Windows |
| Free plan | Yes | Yes |
| Real-time analysis | Yes | Yes |
| Maximum channels | 2 channels | — |
| Plugin support | none | vst |
| Analysis views | spectrum analyzer, oscilloscope/waveform, digital level meter, crest-factor meter | spectrum, loudness, level, RMS, true peak, clipping, correlation, mid/side |
| Loudness standards | — | Yes |
Both are listed in Best Audio Analysis Software. On Freedom251, Voxengo SPAN scores higher on our published basis.