Groupboard Collaborative Whiteboard
Groupboard turns your iPhone, iPod Touch or iPad into a collaborative whiteboard, allowing you to draw and chat in real time with other people anywhere on the internet, even with users using a web browser. Use it for online tutoring, collaborative design, or just for fun!
Simple to use - simply start the app and then draw on the screen by dragging your finger. Use two fingers (pinch) to scroll and zoom. Click the Connect tab to connect with other people.
Features include the ability to change colors, shapes, line width, and upload photos which you can then draw on. Log in as administrator for the ability to ban users and delete pictures.