You might want to check out the offerings from PhoGo.
But as a bonus, PhoGo cases don't just serve as a stabilization device, they also will keep your iPhone and all the valuable information and pictures contained on it, well protected and safe.
The PhoGo cases are lightweight and the perfect protective cover for your iPhone when talking pictures or shooting video.
My iPhone fit perfectly in the PhoGo case and if you have a monopod or tripod, it screws right in and you are ready for action.
Look at any photographer that is serious about getting great images with their iPhone and there is a good chance they will be using Photo products.
PhoGo has really thought of everything as their lenses have a magnetic back where you can attach a rear lens cap protector. The lenses fit perfectly against the cases lens mount. This give you confidence and piece of mind you will get the images you set out to get no matter how rough the conditions are.
When you see the name PhoGo, you will see quality. Whether it be lens kits, the ever-important sun hood, mounting rigs, or even bundling up accessories- PhoGo will meet all your needs at great price points.
For serious iPhone photographers, before you go, think PhoGo.