The Sports Tracker HRM SMART by is compatible with the Sports Tracker app in smart phones that support Bluetooth Smart® or Bluetooth Smart ready®.
However, currently it works with
- iPhone 4S, 5, 5C, 5S, 6, 6+, 6S and newer.
- Android OS 4.3 or higher with Bluetooth Smart Support.
Windows phone app doesn't have Bluetooth smart support thus it is not compatible with Smart sensors.