GKproject has Pro Filter (iTunes Link) for the iPhone and iPod Touch in the iTunes App Store for 0.99 (3.99 – 3 instant savings) for a limited time.

With Pro Filter, users create their own! You can download filters made by people from all around the world and use them to edit your own pictures.

You can also design filters yourself and share them with other users. You’ve never experienced a filter sharing app like this before.

Take advantage of the app’s extensive features as you get to work designing your own filters. Soon, you’ll feel like a Photoshop-wielding, photo editing expert.