Playgrind has announced that their first app title, Atmospheres, is now available exclusively for iPhone and iPod Touch.

AtmoSpheres is a multi-track full stereo sleep-aid, relaxation, and meditation tool. It allows you to blend up to four tracks of sound to create your own customized mix using a unique sphere-based mixer.

In AtmoSpheres, the user can mix up to four sounds and save them as a preset for later recall. All live sounds were recorded using up to five microphones enabling simulated 3-D sound. The sphere-based mixer provides one control for volume, stereo panning, pause, play, and delete. It also includes a timer feature with audio fade out. Its simple and takes advantage of the iOS gestures.

AtmoSpheres is now available for $1.99 in the U.S. and is priced accordingly in other regions.