This app reveals your energy output per pedal stroke as a data field on your head unit. It calculates this from your current power output and cadence, and can be very helpful in keeping track of how heavy your pedal stroke is.
Edge® 1000
Edge® 1030
Edge® 1030 Plus
Edge® 1030, Bontrager
Edge® 130
Edge® 130 Plus
Edge® 520
Edge® 520 Plus
Edge® 820
Edge® Explore 1000
Edge® Explore 820
ForeAthlete® 735XTJ
ForeAthlete® 920XTJ
Forerunner® 735XT
Forerunner® 920XT
Forerunner® 935
fēnix® 3, quatix® 3, tactix® Bravo
fēnix® 3 HR
fēnix® 5, quatix® 5
fēnix® 5 Plus
fēnix® 5S
fēnix® 5S Plus
fēnix® 5X, tactix® Charlie
fēnix® 5X Plus
fēnix® Chronos
Data Field