No specific info about version 4.0. Please visit the main page of Sound Grinder on Mac Informer.
Movavi Sound Grabber is an extension that allows you to capture system sound.
Sound Grinder Pro provides a powerful set of waveform editing and batch-processing features.
Record, edit, and produce your audio with Sound Studio.
Sound Librarian - manage your programs and transmit them with your computer.
Allows the user to create music and sound-effects.