I have this and it is great. I used to have the ProClip which is also a very good custom, but expensive option. The iOttie works better for me since I use a slim case and my wife uses a thick one, but both work with the iOttie. The only bad thing I can think of is that it doesn't swiverl to landscape mode without loosening a screw and re-tightening.I'm about to buy an iOttie. It has gotten good reviews on Amazon and there are some reviews about it on youtube as well. It's $20..not bad.
This. I love the exomount. I use it all the time. Every great once in awhile the seal breaks from the dash and you have to reseal it by simply pushing the clamp back down. It's happened twice or so in a year and its always in the car in very high heat at times.I have an exomount, it's great. Works for the iPhone 4S and 5. I use it with a 5" garmin GPS too.
this car mount works great with iPhone 5
and this looks like a spider