ZibblerTrip lets you use the awesome power of iPhone to help you during trips and afterwards.
During trips, ZibblerTrip offers a color-coded speedometer.
When you are logging a trip, you can leave the ZibblerTrip app to play music, record video, or use other apps on your iPhone.
After trips, ZibblerTrip lets you replay trips on a map at 60X speed.
ZibblerTrip lets you email raw trip data to yourself for hours of spreadsheet analysis. ("Fun!")
ZibblerTrip has proven useful for driving, bicycle riding, and hiking!
(Continued use of GPS running in the background can dramatically decrease battery life.)