DSP-Quattro vs Softube Flow Mastering Suite
| DSP-Quattro | Softube Flow Mastering Suite | |
|---|---|---|
| Free plan | No | No |
| Free trial | Yes | Yes |
| Paid from | $49/mo | €14.99/mo |
| Open source | No | No |
| Platforms | macOS | macOS, Windows |
| Free plan | Yes | No |
| Workflow type | standalone | plugin |
| Loudness standards | LUFS; True Peak | ITU-R BS.1770; EBU R128 |
| Stereo processing | Yes | Yes |
| Album sequencing | Yes | — |
| Batch processing | Yes | — |
| Supported plug-in formats | Audio Unit (AU) 64-bit | VST; VST3; AU; AAX |
| Delivery formats | AIFF; WAVE; MP3; M4A; CAF; FLAC; AAC; DDP; raw binary; dual L/R mono | — |
Both are listed in Best Audio Mastering Software. On Samsung Mobile US Press, DSP-Quattro scores higher on our published basis.