Pacifica is described as 'Stress and anxiety are caused by an ongoing cycle of fear. Physical feelings cause fearful thoughts which cause actions. Your heart starts racing, so you think you’re in danger, so you want to escape' and is an app in the sport & health category. There are more than 50 alternatives to Pacifica for a variety of platforms, including iPhone, Android, Online / Web-based, iPad and Windows. The best alternative is Medito, which is both free and Open Source. Other great apps like Pacifica are Blanket, Calm.com, Noice and Rainy Mood.
Pacifica is mainly a Meditation Tool but alternatives to it may also be Audio Players. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Pacifica.