Speedometer - GPS is a free GPS based digital head up display (HUD) that shows speed information for your journey. Ideal if your vehicle speed matrix has died, and you want to verify your vehicle speed or you just want to know your speed when cycling, horse riding, running, flying, sailing, travelling from one location to another via bus, train, subway etc.! The display can be switched between normal viewing and HUD mode which mirrors the display for viewing as a reflection in a vehicle windshi