What RC quad/heli copter that is controllable by iphone?

Please recommend which brand of RC quad/heli copter that is controllable by iphone or other smart phone. Please recommend the brand and model that is affordable but reliable.

I would just recommend the famous AR2.0. I have flown it before and it is fun but in comparison to dji 450, it is but a toy. However, it does perform really well and operates like a quad at least twice to three times it's price for the same purpose of aerial videography. It's not a superb performer but excellent enough to receive my vote.