I've recently been trying out Spivo's Travel Lens for the iPhone. Here's my hands-on review, along with some example photos I've taken with it.
Reviews, tips, and tricks for taking photos with iPhones. Have Camera Will Travel.
If you're looking to get in even closer than the iPhone 7's camera can do, a snap-on lens like those in the OlloClip Macro Pro Lens Set can help.
OlloClip has released a set of macro lenses for the iPhone 7 and iPhone 7 Plus. It includes lenses with 7x, 14x, and 21x magnification. Here are some sample images.
The GoWorx FreeRide is a smartphone cradle mount that attaches directly to GoPro mounting accessories without the need for an adapter.
If you've deleted photos and videos and yet are still getting an error message saying your iPhone is running out of space, here's how to delete photos from your iPhone to free up storage space.
A hands-on review of the new ExoLens Exo 6 for adding telephoto and wide-angle lenses to your iPhone 6.
If you want to expand your lens choices with the iPhone 6 or iPhone 6 Plus you're going to need to attach something to the existing lens. I put the olloclip 4-in-1 kit for the iPhone 6 and iPhone 6 Plus through its paces.