SimplyNoise is described as '$0.99 sound machine featuring the highest fidelity white, pink, and brown noise samples that have helped thousands of people from all age groups and professions block distractions, enhance privacy, aid sleep, soothe Tinnitus, and melt away stress' and is an app in the sport & health category. There are more than 50 alternatives to SimplyNoise for a variety of platforms, including iPhone, Android, Web-based, iPad and Mac apps. The best SimplyNoise alternative is Moodist Ambient Sounds, which is both free and Open Source. Other great apps like SimplyNoise are Ambi, Blanket, Noice and myNoise.