GoGauge

Track your travel speed in real time with GoGauge - a clean, simple GPS speedometer for your iPhone. Whether you're riding a bullet train in Japan, cruising on a road trip, or just curious how fast you're moving, GoGauge shows your current speed at a glance in both miles per hour and kilometers per hour. The app also tracks your maximum speed during each session, displays your GPS coordinates and altitude, and provides speed accuracy data so you always know how reliable your readings are. No account required, no ads - just tap Start and go.