Optical Theremin is described as 'Creative, camera-powered musical instrument that lets you play eerie tones just by moving your hands. Inspired by the classic theremin, this app detects your movements using your phone's front-facing camera and translates them into real-time audio' and is a music production app in the audio & music category. There are 2 alternatives to Optical Theremin for a variety of platforms, including Android, iPhone, Android Tablet, iPad and AudioBus apps. The best Optical Theremin alternative is TouchOSC.
Modular OSC and MIDI control surface for iPhone / iPod Touch / iPad / Android
Remote control and receive feedback from any software or hardware that implements the OSC or MIDI protocols.
The Reactable is an electronic music instrument available as an App and as a tangible multitouch unit for live performance and creation of music.
Hong Kong SAR China
Spain
EU