"You know, sometimes it doesn't hurt to have someone watching your back" - Car Assistant, it's a cheap and powerful gadget for every driver. Car assistant can navigate you to any location, save your car position when you are leaving, measure your speed, estimate time in travel and draws charts with speed and acceleration, you can see any overloads and vibrations, and a lot more, for instance to enable acceleration time measurement, just tap your device screen with three fingers!
Download: https://itunes.apple.com/us/app/car-assistant-best-gadget/id936257125?ls=1&mt=8
Free copies: https://forums.macrumors.com/showthread.php?p=20337199#post20337199
Download: https://itunes.apple.com/us/app/car-assistant-best-gadget/id936257125?ls=1&mt=8
Free copies: https://forums.macrumors.com/showthread.php?p=20337199#post20337199