Natura Sound Therapy v2.0 (OSX) Cost: $29 Get the full version     Trial version     Developer's Website Contacting third-party download site please wait. If your download does not start, click here, or get the full version Descriptions Natura Sound Therapy v2.0 (OSX): Natura attunes your mind to the relaxing sounds of nature and features a brainsync function which enables you to achieve the four Brainwave states. Specially designed to be used with headphones, Natura can also function as a background application while working on the computer.