The Apple iPhone 6S and 6S Plus come with a rather simple but easy to use camera app. 

But what if you want to take create special effects for example, light trails. 

Well below are a few examples of what is possible using a third party app called Nightcap Pro. 

   
    
 
Nightcap Pro also have a long exposure mode which has the ability to take superb night shots. 

The photos above have been compressed down from 13mb to 1mb.

Truly simple photos to create as well.