Review: Spire Breathing Tracker

The wearables market is essentially made up of fitness trackers: devices that count your steps, assay your activity, or let you know when you’re not moving enough. All of these devices track movement, but they don’t track one part of your activity that can greatly affect your health: your breathing. Your breath affects your vagus nerve, which, in turn, affects your state of mind.

Spire is a small device that you clip on your belt or bra, and it detects your inhalations and exhalations. This data gets sent to your iOS device, which provides insights into how you breathe.

Read the rest of the article on Macworld.