4 APPs in just one! (even for Ambit1):
1) Cardiac Drift (check the great app by The_Ghost)
2) Your current HR% according to Karvonen
3) Max speed during the current lap
4) Max HR during the current...
Created by ppiioottrr
Always wanted to know how many steps you have left on your marathon but there is no device that would show it? With Apps that is calculable - and almost anything you can imagine!
Apps are compatible with
Suunto Ambit watch.