What are the best options for add-on lenses for iPhone 6 to enhance its camera capabilities?

Some of the best options for add-on lenses for the iphone 6 to enhance its camera capabilities include brands like Moment, Olloclip, and Aukey. These lenses can provide wide-angle, macro, and telephoto capabilities, allowing for more versatility in your Photography. It's important to research and choose a lens that best fits your needs and budget.