When I want to experiment with different techniques I usually rent a lens. This can be pricey at times, so I decided to combine two of my great loves - mobile photography and online shopping. I had my new detachable iPhone lenses delivered yesterday, and for the small price of $12 I got a wide angle+macro and a fisheye. Below are some test shots I took on spot, plus one from the trip to the Japanese Gardens.
Now, I expected that the fisheye would have a more prominent distortion effect, a but like the one of a toy camera, but I still like it the way it is. I used square format for those, and for the macro. The macro lens blew me away, I'd say that aside of a small loss in resolution, the quality is pretty amazing and even better than my Sigma DSLR lens in certain conditions.
The wide angle is okay, I'd probably use it when I shoot panoramas for even bigger view: