We know that at the weekend downloads to the iTunes store reach their peak. Just to help you out we thought we would source the best iOS photography apps that are going free this weekend, take a look at these and get downloading… VisiMoon To take a photo, you need light. To take a good photo, you need to control the light. Photo Soft Box Pro HD puts this power in your hands without spending a fortune on cumbersome, awkward lighting systems by turning your iPad, iPhone or iPod Touch into your own studio lighting system. Download Aerial New York City Fly over New York City like you’ve never seen…