Recommended iPhone Lenses
We highly recommend Moment or Sandmarc lenses for their high-quality optics.
Both of these require specialized cases, so there won't be any need for you to purchase a different lens system when you upgrade your iPhone - you'll only need a new case to mount your existing lenses.
For Macro photography:
For Telephoto or Zoom lenses that work well for Portrait photography:
For Wide-Angle lenses, which are great for Landscape photography: