VaYou is described as 'The world's first dynamic biofeedback sound machine for your iPhone. It transforms your belly breathing in a dynamically generated sound flow. Simply listening helps you to be more relaxed, relieve stress or sleep better' and is a Meditation tool in the sport & health category. There are more than 25 alternatives to VaYou for a variety of platforms, including iPhone, Android, iPad, Web-based and Android Tablet apps. The best VaYou alternative is Medito, which is both free and Open Source. Other great apps like VaYou are Ice Breath, Inner Breeze, Calm and Headspace.