iColorama is a great effect app for your iPhone photography, check out the features below. This app usually retails for $2.99/£1.99 but at the moment it is free. Just click here to downnload Features   – Use 4 smart masks for enhancing details. 

– Deform the image with your finger or use 8 deforms presets

 – Enhance the colors and tones of your image, more than 100 presets combined. 

– Create pieces of art applying Sketch, Simplify and Paint effects even if you are not an artist 

– Upload the result to Facebook, Twitter and Tumblr directly.