Simple Speed is a free speedometer and odometer app for your iPhone. Track your speed, distance max speed and more from your iPhone! - Beautiful easy to use UI - Current City Display - MPH, KM/H and Knots display - Digital Speedometer - Distance log - Average and Max speed log - Map view With this free speedometer you can now have the accuracy of commercial products and know your real speed at anytime. Switch between mph, km/h or knots, know your top/average speed and more.