RC Plane 2 for IPad
Most times I am out flying someone stops by and asks where they can "get one of those planes". After I suggest that they start out with a flight sim they glaze over. Now I have an iPad with Rc Plane 2 on it and I can let them fly right then and there. For a free or nearly free app it has great capability. I highly recommend it to anyone with an iPad especially for sharing with potential pilots.