08-06-2019 03:50 PM
Speedometer Gauge on GoPro App for iOS:
Speedometer Gauge on GoPro App for Android:
Depending on the region or country set on your device, you will see x/kmph or x/mph when adding Speedometer in Quik for Mobile. You can find more information about this here. As far as I know, US region will display MPH while EMEA and APAC regions will show KM/H.