PicTools gives you an easy to use interface to access a set of tools to manipulate your photos. You may create your own effects by adjusting the RGB curves and overlaying another image with a blend mode of your choice. Among other things PicTools also offers crop and transform controls as well as the ability to save your image into a square format with white or black padding.
This is a brand new app that’s just hit the app store and looks set to do very well.
Adjust the color of your image with an easy to use curves interface with presets that you can tweak. The curves updates the image in real time.
Besides being able to use your own images as overlays PicTools provides a preset of great overlays ready to go.