Download of SolaroControl 4.6.1 for Mac was on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The actual developer of this free software for Mac is Xillica Audio Design. We recommend checking the downloaded files with any free antivirus. The application lies within System Tools, more precisely Device Assistants.
From the developer:
Solaro Control enables your iOS device to have full control of the professional Neutrino & Uno DSP processors. With this configuration software program, you can design your own control panel and have full access to all DSP module parameters (such as Graphic EQs and mixers).
You may want to check out more software for Mac, such as ToFi, iStar Composer or Portable Nvu, which might be similar to SolaroControl.