1. Palettes
Palettes is a great app that allows you to create color schemes.
2. CliqCliq
CliqCliq allows you to find the exact colors you wish to use and immediately converts them to a variety of scales and formats.
3. ZeptoPad
ZeptoPad is a sketch pad tool for your iPhone.
4. Caliper
Caliper is a nifty measuring tool that like its names states uses caliper like jaws to measure objects.
5. Photobucket
Photobucket allows you to upload all of your photos to Photobucket and share them with your colleagues or clients all through your phone.
This graphic design app is great as well. The app keeps track of the users score. The hi-score is ???guru design???. The user can post the score on facebook as well.
check it out
Graphic Design Quiz.
http://itunes.apple.com/us/app/graphics-design-quiz-for-iphone/id387240098?mt=8