Exist

Track your breathing, workouts, and glucose readings: Quantified Self weekly links

Products

Spire

Spire tracks your activity and breathing. The accompanying app offers guided breathing exercises when it notices you're getting tense.

• Diabeto: connected glucose readings for diabetics, compatible with 19 glucometers
  Indiegogo, funded
  Tago Arc: E Ink-powered bracelet that can change designs

Software

Pacer
iOS

Time your workouts and keep track of your progress.

News and articles

Fitbit vs. Moves: an exploration of phone and wearable data

After reading this research letter, or one of the many articles which covered it, you might be asking yourself, “I wonder if my device is accurate?” or “Should I be using a step tracking device or just my phone?” In the interest of helping people make sense of their data so that they can come to their own conclusions I decided to do a quick analysis of my own personal data.

• GitHut: visualising GitHub language activity
• BodyWise six month report card
• How did I end up wearing 3 health trackers?

Image credits: Spire, Pacer, Quantified Self