An essential app for the Microsoft Band is a Band Sensor Monitor. It shows you your current Heart rate, skin temperature, light levels and more. The app has been updated and now can view Microsoft Band’s sensors remotely via the web. You can not only view your own sensor details in real time on the web you can also view another Microsoft Band by sharing a special key.
It is a really great app and if you have a Microsoft Band you should give it a try, there is a free trial and the full app costs £1.49 from the Windows Phone Store.