Blanket is described as 'Improve focus and increase your productivity by listening to different sounds. Or allows you to fall asleep in a noisy environment' and is a Ambient Sounds player in the sport & health category. There are more than 100 alternatives to Blanket for a variety of platforms, including iPhone, Android, Web-based, iPad and Mac apps. The best Blanket alternative is Moodist Ambient Sounds, which is both free and Open Source. Other great apps like Blanket are Ambi, Ambie, Noice and SGNL.fm.