Who better to offer photo-processing software than the makers of Photoshop? Adobe's free Photoshop.com Mobile app offers the following basic features with a simple swipe of the finger:
Basics: Crop, Straighten, Rotate, Flip
Colour: Exposure, Saturation, Tint, Black and White, Contrast
Filters: Sketch, Soft Focus, Sharpen Effects: Pop, Vibrant, Border, Vignette Blur, Warm Vintage, Rainbow, White Glow, Soft Black and White
Borders: Rectangle, Rounded, Oval, Soft Edge, Vignette, Rough Edge, Halftone, Film Emulsion
But that's not all. Photoshop.com users have access to 2GB worth of photos and videos that can be viewed within the app from wherever you are.
Fab free app for all creatives. More info and link to download on iTunes here.