On the last trip I bought a Good Sam 7" GPS and returned it after the trip because it wasn't satisfactory. It was hard to read because of glare. I even picked up a hood for it. I doubted the instructi...
CoPilot. They now have versions for Android, iOS, and windows and windows phone.
I've used it on a 10" android tablet, a 7" Ipad mini, and a standard Android phone. It's great. Never led me wrong. has car/truck/ and RV modes, let's you input your height and weight.
Lifetime map updates. Lifetime active traffic. For $25, there is nothing even close.