Use it every day!
I have found this app to be really useful. I park every day in one of 3 lots in town and it makes payment trivial. I have both of our cars in the app and can easily switch between cars and lots. No mistakes in the 9 months I have been using it. And no tickets because I didnt have change!
Charlie Sinclair about
ParkMobile - Find Parking, v4.2.2