DeskConnect has Workflow: Powerful Automation Made Simple (iTunes Link) for the iPhone, iPod Touch, and iPad in the iTunes App Store for $2.99 (regularly $4.99) for a limited time. It was a dollar cheaper a coupon of weeks ago, but the newest update brings lots of new features and actions. Totally worth it!

Workflow is your personal automation tool, enabling you to drag and drop any combination of actions to create powerful workflows.

Workflow includes over 100 actions, including those for Contacts, Calendar, Maps, Music, Photos, Camera, Reminders, Safari, AirDrop, Twitter, Facebook, Dropbox, Evernote, and iCloud Documents, to name a few.