Speed Watch

Speed watch is a best speed measuring app for your smart watch, which allows you to manually set whatever speed you wish to maintain. This app gauges your speed ,once the speed watch detects that you are exceeding the selected speed limit then the speed watch will alert you by vibrating your wrist alerting you to slow down.

Features
Speed watch works using inbuilt GPS in your phone.
It supports different scales like Kilometers(km), Miles(mi), Knots(kn)
Alerts when over-speeding is detected.