GPS for the Soul measures your heart rate and heart rate variability, which taken together are a proxy for stress. From there it connects you with the things that help you relax. Tools in the self-guided meditation offer music, poetry, breathing exercises, and pictures of your loved ones.
These guides are collections of the things that help you get back on track. GPS for the Soul lets you play one of the guides they have assembled for you, or you can create your own. Also included is an activity feed lets you see how your friends are feeling and what guides resonate with them.