Completely flawed

I wanted something that would alert me if i drifted out of my lane or i got too close to the car in front. I tested for days under many conditions and it failed miserably. At first it seems to detect the lane edges with a nice green zone, but when i tested it on an open road by slowly departing from my lane, it gives a warning maybe 10% of the time! Instead, when you get to where the lane stripe is going directly down the middle of the car, it just switches the green zone to the next lane! Then when i am driving perfectly centered it occasionally will give "off the road!" Warnings.
As far as estimating the following distance to the car in front, the measurements are so far off that it is useless. Only when you get about 5 feet from the car in front does it even give you a caution warning.
And finally, if you plug in your phone it turns off all audio not only from this app but every other app you have open, like a gps app. So you not only miss all your turn instructions, you get no audio warnings from this driving app.

Scotty Bridge about iOnRoad - Augmented Reality Driving